280456320

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{43}}^2\times {\mathrm{79}}^1$

素因数の和:187

約数の個数: 192

約数和(自身を含む): 926812800

約数和(自身を除く): 646356480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 43, 48, 60, 64, 79, 80, 86, 96, 120, 128, 129, 158, 160, 172, 192, 215, 237, 240, 258, 316, 320, 344, 384, 395, 430, 474, 480, 516, 632, 640, 645, 688, 790, 860, 948, 960, 1032, 1185, 1264, 1290, 1376, 1580, 1720, 1849, 1896, 1920, 2064, 2370, 2528, 2580, 2752, 3160, 3397, 3440, 3698, 3792, 4128, 4740, 5056, 5160, 5504, 5547, 6320, 6794, 6880, 7396, 7584, 8256, 9245, 9480, 10112, 10191, 10320, 11094, 12640, 13588, 13760, 14792, 15168, 16512, 16985, 18490, 18960, 20382, 20640, 22188, 25280, 27176, 27520, 27735, 29584, 30336, 33970, 36980, 37920, 40764, 41280, 44376, 50560, 50955, 54352, 55470, 59168, 67940, 73960, 75840, 81528, 82560, 88752, 101910, 108704, 110940, 118336, 135880, 146071, 147920, 151680, 163056, 177504, 203820, 217408, 221880, 236672, 271760, 292142, 295840, 326112, 355008, 407640, 434816, 438213, 443760, 543520, 584284, 591680, 652224, 710016, 730355, 815280, 876426, 887520, 1087040, 1168568, 1183360, 1304448, 1460710, 1630560, 1752852, 1775040, 2174080, 2191065, 2337136, 2921420, 3261120, 3505704, 3550080, 4382130, 4674272, 5842840, 6522240, 7011408, 8764260, 9348544, 11685680, 14022816, 17528520, 18697088, 23371360, 28045632, 35057040, 46742720, 56091264, 70114080, 93485440, 140228160, 280456320]

約数ペア:

[(1, 280456320), (2, 140228160), (3, 93485440), (4, 70114080), (5, 56091264), (6, 46742720), (8, 35057040), (10, 28045632), (12, 23371360), (15, 18697088), (16, 17528520), (20, 14022816), (24, 11685680), (30, 9348544), (32, 8764260), (40, 7011408), (43, 6522240), (48, 5842840), (60, 4674272), (64, 4382130), (79, 3550080), (80, 3505704), (86, 3261120), (96, 2921420), (120, 2337136), (128, 2191065), (129, 2174080), (158, 1775040), (160, 1752852), (172, 1630560), (192, 1460710), (215, 1304448), (237, 1183360), (240, 1168568), (258, 1087040), (316, 887520), (320, 876426), (344, 815280), (384, 730355), (395, 710016), (430, 652224), (474, 591680), (480, 584284), (516, 543520), (632, 443760), (640, 438213), (645, 434816), (688, 407640), (790, 355008), (860, 326112), (948, 295840), (960, 292142), (1032, 271760), (1185, 236672), (1264, 221880), (1290, 217408), (1376, 203820), (1580, 177504), (1720, 163056), (1849, 151680), (1896, 147920), (1920, 146071), (2064, 135880), (2370, 118336), (2528, 110940), (2580, 108704), (2752, 101910), (3160, 88752), (3397, 82560), (3440, 81528), (3698, 75840), (3792, 73960), (4128, 67940), (4740, 59168), (5056, 55470), (5160, 54352), (5504, 50955), (5547, 50560), (6320, 44376), (6794, 41280), (6880, 40764), (7396, 37920), (7584, 36980), (8256, 33970), (9245, 30336), (9480, 29584), (10112, 27735), (10191, 27520), (10320, 27176), (11094, 25280), (12640, 22188), (13588, 20640), (13760, 20382), (14792, 18960), (15168, 18490), (16512, 16985)]