321306720

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{719}}^1$

素因数の和:770

約数の個数: 288

約数和(自身を含む): 1241049600

約数和(自身を除く): 919742880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 32, 35, 38, 40, 42, 48, 49, 56, 57, 60, 70, 76, 80, 84, 95, 96, 98, 105, 112, 114, 120, 133, 140, 147, 152, 160, 168, 190, 196, 210, 224, 228, 240, 245, 266, 280, 285, 294, 304, 336, 380, 392, 399, 420, 456, 480, 490, 532, 560, 570, 588, 608, 665, 672, 719, 735, 760, 784, 798, 840, 912, 931, 980, 1064, 1120, 1140, 1176, 1330, 1438, 1470, 1520, 1568, 1596, 1680, 1824, 1862, 1960, 1995, 2128, 2157, 2280, 2352, 2660, 2793, 2876, 2940, 3040, 3192, 3360, 3595, 3724, 3920, 3990, 4256, 4314, 4560, 4655, 4704, 5033, 5320, 5586, 5752, 5880, 6384, 7190, 7448, 7840, 7980, 8628, 9120, 9310, 10066, 10640, 10785, 11172, 11504, 11760, 12768, 13661, 13965, 14380, 14896, 15099, 15960, 17256, 18620, 20132, 21280, 21570, 22344, 23008, 23520, 25165, 27322, 27930, 28760, 29792, 30198, 31920, 34512, 35231, 37240, 40264, 40983, 43140, 44688, 50330, 54644, 55860, 57520, 60396, 63840, 68305, 69024, 70462, 74480, 75495, 80528, 81966, 86280, 89376, 95627, 100660, 105693, 109288, 111720, 115040, 120792, 136610, 140924, 148960, 150990, 161056, 163932, 172560, 176155, 191254, 201320, 204915, 211386, 218576, 223440, 241584, 273220, 281848, 286881, 301980, 327864, 345120, 352310, 382508, 402640, 409830, 422772, 437152, 446880, 478135, 483168, 528465, 546440, 563696, 573762, 603960, 655728, 669389, 704620, 765016, 805280, 819660, 845544, 956270, 1056930, 1092880, 1127392, 1147524, 1207920, 1311456, 1338778, 1409240, 1434405, 1530032, 1639320, 1691088, 1912540, 2008167, 2113860, 2185760, 2295048, 2415840, 2677556, 2818480, 2868810, 3060064, 3278640, 3346945, 3382176, 3825080, 4016334, 4227720, 4590096, 5355112, 5636960, 5737620, 6557280, 6693890, 7650160, 8032668, 8455440, 9180192, 10040835, 10710224, 11475240, 13387780, 15300320, 16065336, 16910880, 20081670, 21420448, 22950480, 26775560, 32130672, 40163340, 45900960, 53551120, 64261344, 80326680, 107102240, 160653360, 321306720]

約数ペア:

[(1, 321306720), (2, 160653360), (3, 107102240), (4, 80326680), (5, 64261344), (6, 53551120), (7, 45900960), (8, 40163340), (10, 32130672), (12, 26775560), (14, 22950480), (15, 21420448), (16, 20081670), (19, 16910880), (20, 16065336), (21, 15300320), (24, 13387780), (28, 11475240), (30, 10710224), (32, 10040835), (35, 9180192), (38, 8455440), (40, 8032668), (42, 7650160), (48, 6693890), (49, 6557280), (56, 5737620), (57, 5636960), (60, 5355112), (70, 4590096), (76, 4227720), (80, 4016334), (84, 3825080), (95, 3382176), (96, 3346945), (98, 3278640), (105, 3060064), (112, 2868810), (114, 2818480), (120, 2677556), (133, 2415840), (140, 2295048), (147, 2185760), (152, 2113860), (160, 2008167), (168, 1912540), (190, 1691088), (196, 1639320), (210, 1530032), (224, 1434405), (228, 1409240), (240, 1338778), (245, 1311456), (266, 1207920), (280, 1147524), (285, 1127392), (294, 1092880), (304, 1056930), (336, 956270), (380, 845544), (392, 819660), (399, 805280), (420, 765016), (456, 704620), (480, 669389), (490, 655728), (532, 603960), (560, 573762), (570, 563696), (588, 546440), (608, 528465), (665, 483168), (672, 478135), (719, 446880), (735, 437152), (760, 422772), (784, 409830), (798, 402640), (840, 382508), (912, 352310), (931, 345120), (980, 327864), (1064, 301980), (1120, 286881), (1140, 281848), (1176, 273220), (1330, 241584), (1438, 223440), (1470, 218576), (1520, 211386), (1568, 204915), (1596, 201320), (1680, 191254), (1824, 176155), (1862, 172560), (1960, 163932), (1995, 161056), (2128, 150990), (2157, 148960), (2280, 140924), (2352, 136610), (2660, 120792), (2793, 115040), (2876, 111720), (2940, 109288), (3040, 105693), (3192, 100660), (3360, 95627), (3595, 89376), (3724, 86280), (3920, 81966), (3990, 80528), (4256, 75495), (4314, 74480), (4560, 70462), (4655, 69024), (4704, 68305), (5033, 63840), (5320, 60396), (5586, 57520), (5752, 55860), (5880, 54644), (6384, 50330), (7190, 44688), (7448, 43140), (7840, 40983), (7980, 40264), (8628, 37240), (9120, 35231), (9310, 34512), (10066, 31920), (10640, 30198), (10785, 29792), (11172, 28760), (11504, 27930), (11760, 27322), (12768, 25165), (13661, 23520), (13965, 23008), (14380, 22344), (14896, 21570), (15099, 21280), (15960, 20132), (17256, 18620)]