1990788840

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{443}}^1$

素因数の和:558

約数の個数: 320

約数和(自身を含む): 7156036800

約数和(自身を除く): 5165247960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 73, 76, 81, 90, 95, 108, 114, 120, 135, 146, 152, 162, 171, 180, 190, 216, 219, 228, 270, 285, 292, 324, 342, 360, 365, 380, 405, 438, 443, 456, 513, 540, 570, 584, 648, 657, 684, 730, 760, 810, 855, 876, 886, 1026, 1080, 1095, 1140, 1314, 1329, 1368, 1387, 1460, 1539, 1620, 1710, 1752, 1772, 1971, 2052, 2190, 2215, 2280, 2565, 2628, 2658, 2774, 2920, 3078, 3240, 3285, 3420, 3544, 3942, 3987, 4104, 4161, 4380, 4430, 5130, 5256, 5316, 5548, 5913, 6156, 6570, 6645, 6840, 6935, 7695, 7884, 7974, 8322, 8417, 8760, 8860, 9855, 10260, 10632, 11096, 11826, 11961, 12312, 12483, 13140, 13290, 13870, 15390, 15768, 15948, 16644, 16834, 17720, 19710, 19935, 20520, 20805, 23652, 23922, 24966, 25251, 26280, 26580, 27740, 29565, 30780, 31896, 32339, 33288, 33668, 35883, 37449, 39420, 39870, 41610, 42085, 47304, 47844, 49932, 50502, 53160, 55480, 59130, 59805, 61560, 62415, 64678, 67336, 71766, 74898, 75753, 78840, 79740, 83220, 84170, 95688, 97017, 99864, 101004, 112347, 118260, 119610, 124830, 126255, 129356, 143532, 149796, 151506, 159480, 161695, 166440, 168340, 179415, 187245, 194034, 202008, 224694, 227259, 236520, 239220, 249660, 252510, 258712, 287064, 291051, 299592, 303012, 323390, 336680, 358830, 374490, 378765, 388068, 449388, 454518, 478440, 485085, 499320, 505020, 561735, 582102, 606024, 614441, 646780, 681777, 717660, 748980, 757530, 776136, 873153, 898776, 909036, 970170, 1010040, 1123470, 1136295, 1164204, 1228882, 1293560, 1363554, 1435320, 1455255, 1497960, 1515060, 1746306, 1818072, 1843323, 1940340, 2246940, 2272590, 2328408, 2457764, 2619459, 2727108, 2910510, 3030120, 3072205, 3408885, 3492612, 3686646, 3880680, 4365765, 4493880, 4545180, 4915528, 5238918, 5454216, 5529969, 5821020, 6144410, 6817770, 6985224, 7373292, 8731530, 9090360, 9216615, 10477836, 11059938, 11642040, 12288820, 13097295, 13635540, 14746584, 16589907, 17463060, 18433230, 20955672, 22119876, 24577640, 26194590, 27271080, 27649845, 33179814, 34926120, 36866460, 44239752, 49769721, 52389180, 55299690, 66359628, 73732920, 82949535, 99539442, 104778360, 110599380, 132719256, 165899070, 199078884, 221198760, 248848605, 331798140, 398157768, 497697210, 663596280, 995394420, 1990788840]

約数ペア:

[(1, 1990788840), (2, 995394420), (3, 663596280), (4, 497697210), (5, 398157768), (6, 331798140), (8, 248848605), (9, 221198760), (10, 199078884), (12, 165899070), (15, 132719256), (18, 110599380), (19, 104778360), (20, 99539442), (24, 82949535), (27, 73732920), (30, 66359628), (36, 55299690), (38, 52389180), (40, 49769721), (45, 44239752), (54, 36866460), (57, 34926120), (60, 33179814), (72, 27649845), (73, 27271080), (76, 26194590), (81, 24577640), (90, 22119876), (95, 20955672), (108, 18433230), (114, 17463060), (120, 16589907), (135, 14746584), (146, 13635540), (152, 13097295), (162, 12288820), (171, 11642040), (180, 11059938), (190, 10477836), (216, 9216615), (219, 9090360), (228, 8731530), (270, 7373292), (285, 6985224), (292, 6817770), (324, 6144410), (342, 5821020), (360, 5529969), (365, 5454216), (380, 5238918), (405, 4915528), (438, 4545180), (443, 4493880), (456, 4365765), (513, 3880680), (540, 3686646), (570, 3492612), (584, 3408885), (648, 3072205), (657, 3030120), (684, 2910510), (730, 2727108), (760, 2619459), (810, 2457764), (855, 2328408), (876, 2272590), (886, 2246940), (1026, 1940340), (1080, 1843323), (1095, 1818072), (1140, 1746306), (1314, 1515060), (1329, 1497960), (1368, 1455255), (1387, 1435320), (1460, 1363554), (1539, 1293560), (1620, 1228882), (1710, 1164204), (1752, 1136295), (1772, 1123470), (1971, 1010040), (2052, 970170), (2190, 909036), (2215, 898776), (2280, 873153), (2565, 776136), (2628, 757530), (2658, 748980), (2774, 717660), (2920, 681777), (3078, 646780), (3240, 614441), (3285, 606024), (3420, 582102), (3544, 561735), (3942, 505020), (3987, 499320), (4104, 485085), (4161, 478440), (4380, 454518), (4430, 449388), (5130, 388068), (5256, 378765), (5316, 374490), (5548, 358830), (5913, 336680), (6156, 323390), (6570, 303012), (6645, 299592), (6840, 291051), (6935, 287064), (7695, 258712), (7884, 252510), (7974, 249660), (8322, 239220), (8417, 236520), (8760, 227259), (8860, 224694), (9855, 202008), (10260, 194034), (10632, 187245), (11096, 179415), (11826, 168340), (11961, 166440), (12312, 161695), (12483, 159480), (13140, 151506), (13290, 149796), (13870, 143532), (15390, 129356), (15768, 126255), (15948, 124830), (16644, 119610), (16834, 118260), (17720, 112347), (19710, 101004), (19935, 99864), (20520, 97017), (20805, 95688), (23652, 84170), (23922, 83220), (24966, 79740), (25251, 78840), (26280, 75753), (26580, 74898), (27740, 71766), (29565, 67336), (30780, 64678), (31896, 62415), (32339, 61560), (33288, 59805), (33668, 59130), (35883, 55480), (37449, 53160), (39420, 50502), (39870, 49932), (41610, 47844), (42085, 47304)]