20865710880

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{1061}}^1\times {\mathrm{1951}}^1$

素因数の和:3040

約数の個数: 288

約数和(自身を含む): 81494719488

約数和(自身を除く): 60629008608

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1061, 1120, 1260, 1440, 1680, 1951, 2016, 2122, 2520, 3183, 3360, 3902, 4244, 5040, 5305, 5853, 6366, 7427, 7804, 8488, 9549, 9755, 10080, 10610, 11706, 12732, 13657, 14854, 15608, 15915, 16976, 17559, 19098, 19510, 21220, 22281, 23412, 25464, 27314, 29265, 29708, 31216, 31830, 33952, 35118, 37135, 38196, 39020, 40971, 42440, 44562, 46824, 47745, 50928, 54628, 58530, 59416, 62432, 63660, 66843, 68285, 70236, 74270, 76392, 78040, 81942, 84880, 87795, 89124, 93648, 95490, 101856, 109256, 111405, 117060, 118832, 122913, 127320, 133686, 136570, 140472, 148540, 152784, 156080, 163884, 169760, 175590, 178248, 187296, 190980, 204855, 218512, 222810, 234120, 237664, 245826, 254640, 267372, 273140, 280944, 297080, 305568, 312160, 327768, 334215, 351180, 356496, 381960, 409710, 437024, 445620, 468240, 491652, 509280, 534744, 546280, 561888, 594160, 614565, 655536, 668430, 702360, 712992, 763920, 819420, 891240, 936480, 983304, 1069488, 1092560, 1188320, 1229130, 1311072, 1336860, 1404720, 1527840, 1638840, 1782480, 1966608, 2070011, 2138976, 2185120, 2458260, 2673720, 2809440, 3277680, 3564960, 3933216, 4140022, 4916520, 5347440, 6210033, 6555360, 8280044, 9833040, 10350055, 10694880, 12420066, 14490077, 16560088, 18630099, 19666080, 20700110, 24840132, 28980154, 31050165, 33120176, 37260198, 41400220, 43470231, 49680264, 57960308, 62100330, 66240352, 72450385, 74520396, 82800440, 86940462, 93150495, 99360528, 115920616, 124200660, 130410693, 144900770, 149040792, 165600880, 173880924, 186300990, 198721056, 217351155, 231841232, 248401320, 260821386, 289801540, 298081584, 331201760, 347761848, 372601980, 434702310, 463682464, 496802640, 521642772, 579603080, 596163168, 652053465, 695523696, 745203960, 869404620, 993605280, 1043285544, 1159206160, 1304106930, 1391047392, 1490407920, 1738809240, 2086571088, 2318412320, 2608213860, 2980815840, 3477618480, 4173142176, 5216427720, 6955236960, 10432855440, 20865710880]

約数ペア:

[(1, 20865710880), (2, 10432855440), (3, 6955236960), (4, 5216427720), (5, 4173142176), (6, 3477618480), (7, 2980815840), (8, 2608213860), (9, 2318412320), (10, 2086571088), (12, 1738809240), (14, 1490407920), (15, 1391047392), (16, 1304106930), (18, 1159206160), (20, 1043285544), (21, 993605280), (24, 869404620), (28, 745203960), (30, 695523696), (32, 652053465), (35, 596163168), (36, 579603080), (40, 521642772), (42, 496802640), (45, 463682464), (48, 434702310), (56, 372601980), (60, 347761848), (63, 331201760), (70, 298081584), (72, 289801540), (80, 260821386), (84, 248401320), (90, 231841232), (96, 217351155), (105, 198721056), (112, 186300990), (120, 173880924), (126, 165600880), (140, 149040792), (144, 144900770), (160, 130410693), (168, 124200660), (180, 115920616), (210, 99360528), (224, 93150495), (240, 86940462), (252, 82800440), (280, 74520396), (288, 72450385), (315, 66240352), (336, 62100330), (360, 57960308), (420, 49680264), (480, 43470231), (504, 41400220), (560, 37260198), (630, 33120176), (672, 31050165), (720, 28980154), (840, 24840132), (1008, 20700110), (1061, 19666080), (1120, 18630099), (1260, 16560088), (1440, 14490077), (1680, 12420066), (1951, 10694880), (2016, 10350055), (2122, 9833040), (2520, 8280044), (3183, 6555360), (3360, 6210033), (3902, 5347440), (4244, 4916520), (5040, 4140022), (5305, 3933216), (5853, 3564960), (6366, 3277680), (7427, 2809440), (7804, 2673720), (8488, 2458260), (9549, 2185120), (9755, 2138976), (10080, 2070011), (10610, 1966608), (11706, 1782480), (12732, 1638840), (13657, 1527840), (14854, 1404720), (15608, 1336860), (15915, 1311072), (16976, 1229130), (17559, 1188320), (19098, 1092560), (19510, 1069488), (21220, 983304), (22281, 936480), (23412, 891240), (25464, 819420), (27314, 763920), (29265, 712992), (29708, 702360), (31216, 668430), (31830, 655536), (33952, 614565), (35118, 594160), (37135, 561888), (38196, 546280), (39020, 534744), (40971, 509280), (42440, 491652), (44562, 468240), (46824, 445620), (47745, 437024), (50928, 409710), (54628, 381960), (58530, 356496), (59416, 351180), (62432, 334215), (63660, 327768), (66843, 312160), (68285, 305568), (70236, 297080), (74270, 280944), (76392, 273140), (78040, 267372), (81942, 254640), (84880, 245826), (87795, 237664), (89124, 234120), (93648, 222810), (95490, 218512), (101856, 204855), (109256, 190980), (111405, 187296), (117060, 178248), (118832, 175590), (122913, 169760), (127320, 163884), (133686, 156080), (136570, 152784), (140472, 148540)]