638358840

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{4967}}^1$

素因数の和:5011

約数の個数: 256

約数和(自身を含む): 2575411200

約数和(自身を除く): 1937052360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 17, 18, 20, 21, 24, 27, 28, 30, 34, 35, 36, 40, 42, 45, 51, 54, 56, 60, 63, 68, 70, 72, 84, 85, 90, 102, 105, 108, 119, 120, 126, 135, 136, 140, 153, 168, 170, 180, 189, 204, 210, 216, 238, 252, 255, 270, 280, 306, 315, 340, 357, 360, 378, 408, 420, 459, 476, 504, 510, 540, 595, 612, 630, 680, 714, 756, 765, 840, 918, 945, 952, 1020, 1071, 1080, 1190, 1224, 1260, 1428, 1512, 1530, 1785, 1836, 1890, 2040, 2142, 2295, 2380, 2520, 2856, 3060, 3213, 3570, 3672, 3780, 4284, 4590, 4760, 4967, 5355, 6120, 6426, 7140, 7560, 8568, 9180, 9934, 10710, 12852, 14280, 14901, 16065, 18360, 19868, 21420, 24835, 25704, 29802, 32130, 34769, 39736, 42840, 44703, 49670, 59604, 64260, 69538, 74505, 84439, 89406, 99340, 104307, 119208, 128520, 134109, 139076, 149010, 168878, 173845, 178812, 198680, 208614, 223515, 253317, 268218, 278152, 298020, 312921, 337756, 347690, 357624, 417228, 422195, 447030, 506634, 521535, 536436, 591073, 596040, 625842, 670545, 675512, 695380, 759951, 834456, 844390, 894060, 938763, 1013268, 1043070, 1072872, 1182146, 1251684, 1266585, 1341090, 1390760, 1519902, 1564605, 1688780, 1773219, 1788120, 1877526, 2026536, 2086140, 2279853, 2364292, 2503368, 2533170, 2682180, 2955365, 3039804, 3129210, 3377560, 3546438, 3755052, 3799755, 4172280, 4559706, 4693815, 4728584, 5066340, 5319657, 5364360, 5910730, 6079608, 6258420, 7092876, 7510104, 7599510, 8866095, 9119412, 9387630, 10132680, 10639314, 11399265, 11821460, 12516840, 14185752, 15199020, 15958971, 17732190, 18238824, 18775260, 21278628, 22798530, 23642920, 26598285, 30398040, 31917942, 35464380, 37550520, 42557256, 45597060, 53196570, 63835884, 70928760, 79794855, 91194120, 106393140, 127671768, 159589710, 212786280, 319179420, 638358840]

約数ペア:

[(1, 638358840), (2, 319179420), (3, 212786280), (4, 159589710), (5, 127671768), (6, 106393140), (7, 91194120), (8, 79794855), (9, 70928760), (10, 63835884), (12, 53196570), (14, 45597060), (15, 42557256), (17, 37550520), (18, 35464380), (20, 31917942), (21, 30398040), (24, 26598285), (27, 23642920), (28, 22798530), (30, 21278628), (34, 18775260), (35, 18238824), (36, 17732190), (40, 15958971), (42, 15199020), (45, 14185752), (51, 12516840), (54, 11821460), (56, 11399265), (60, 10639314), (63, 10132680), (68, 9387630), (70, 9119412), (72, 8866095), (84, 7599510), (85, 7510104), (90, 7092876), (102, 6258420), (105, 6079608), (108, 5910730), (119, 5364360), (120, 5319657), (126, 5066340), (135, 4728584), (136, 4693815), (140, 4559706), (153, 4172280), (168, 3799755), (170, 3755052), (180, 3546438), (189, 3377560), (204, 3129210), (210, 3039804), (216, 2955365), (238, 2682180), (252, 2533170), (255, 2503368), (270, 2364292), (280, 2279853), (306, 2086140), (315, 2026536), (340, 1877526), (357, 1788120), (360, 1773219), (378, 1688780), (408, 1564605), (420, 1519902), (459, 1390760), (476, 1341090), (504, 1266585), (510, 1251684), (540, 1182146), (595, 1072872), (612, 1043070), (630, 1013268), (680, 938763), (714, 894060), (756, 844390), (765, 834456), (840, 759951), (918, 695380), (945, 675512), (952, 670545), (1020, 625842), (1071, 596040), (1080, 591073), (1190, 536436), (1224, 521535), (1260, 506634), (1428, 447030), (1512, 422195), (1530, 417228), (1785, 357624), (1836, 347690), (1890, 337756), (2040, 312921), (2142, 298020), (2295, 278152), (2380, 268218), (2520, 253317), (2856, 223515), (3060, 208614), (3213, 198680), (3570, 178812), (3672, 173845), (3780, 168878), (4284, 149010), (4590, 139076), (4760, 134109), (4967, 128520), (5355, 119208), (6120, 104307), (6426, 99340), (7140, 89406), (7560, 84439), (8568, 74505), (9180, 69538), (9934, 64260), (10710, 59604), (12852, 49670), (14280, 44703), (14901, 42840), (16065, 39736), (18360, 34769), (19868, 32130), (21420, 29802), (24835, 25704)]