661456080

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{677}}^1$

素因数の和:778

約数の個数: 240

約数和(自身を含む): 2360741760

約数和(自身を除く): 1699285680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 36, 40, 45, 46, 48, 59, 60, 69, 72, 80, 90, 92, 115, 118, 120, 138, 144, 177, 180, 184, 207, 230, 236, 240, 276, 295, 345, 354, 360, 368, 414, 460, 472, 531, 552, 590, 677, 690, 708, 720, 828, 885, 920, 944, 1035, 1062, 1104, 1180, 1354, 1357, 1380, 1416, 1656, 1770, 1840, 2031, 2070, 2124, 2360, 2655, 2708, 2714, 2760, 2832, 3312, 3385, 3540, 4062, 4071, 4140, 4248, 4720, 5310, 5416, 5428, 5520, 6093, 6770, 6785, 7080, 8124, 8142, 8280, 8496, 10155, 10620, 10832, 10856, 12186, 12213, 13540, 13570, 14160, 15571, 16248, 16284, 16560, 20310, 20355, 21240, 21712, 24372, 24426, 27080, 27140, 30465, 31142, 32496, 32568, 39943, 40620, 40710, 42480, 46713, 48744, 48852, 54160, 54280, 60930, 61065, 62284, 65136, 77855, 79886, 81240, 81420, 93426, 97488, 97704, 108560, 119829, 121860, 122130, 124568, 140139, 155710, 159772, 162480, 162840, 186852, 195408, 199715, 233565, 239658, 243720, 244260, 249136, 280278, 311420, 319544, 325680, 359487, 373704, 399430, 467130, 479316, 487440, 488520, 560556, 599145, 622840, 639088, 700695, 718974, 747408, 798860, 918689, 934260, 958632, 977040, 1121112, 1198290, 1245680, 1401390, 1437948, 1597720, 1797435, 1837378, 1868520, 1917264, 2242224, 2396580, 2756067, 2802780, 2875896, 3195440, 3594870, 3674756, 3737040, 4593445, 4793160, 5512134, 5605560, 5751792, 7189740, 7349512, 8268201, 9186890, 9586320, 11024268, 11211120, 13780335, 14379480, 14699024, 16536402, 18373780, 22048536, 27560670, 28758960, 33072804, 36747560, 41341005, 44097072, 55121340, 66145608, 73495120, 82682010, 110242680, 132291216, 165364020, 220485360, 330728040, 661456080]

約数ペア:

[(1, 661456080), (2, 330728040), (3, 220485360), (4, 165364020), (5, 132291216), (6, 110242680), (8, 82682010), (9, 73495120), (10, 66145608), (12, 55121340), (15, 44097072), (16, 41341005), (18, 36747560), (20, 33072804), (23, 28758960), (24, 27560670), (30, 22048536), (36, 18373780), (40, 16536402), (45, 14699024), (46, 14379480), (48, 13780335), (59, 11211120), (60, 11024268), (69, 9586320), (72, 9186890), (80, 8268201), (90, 7349512), (92, 7189740), (115, 5751792), (118, 5605560), (120, 5512134), (138, 4793160), (144, 4593445), (177, 3737040), (180, 3674756), (184, 3594870), (207, 3195440), (230, 2875896), (236, 2802780), (240, 2756067), (276, 2396580), (295, 2242224), (345, 1917264), (354, 1868520), (360, 1837378), (368, 1797435), (414, 1597720), (460, 1437948), (472, 1401390), (531, 1245680), (552, 1198290), (590, 1121112), (677, 977040), (690, 958632), (708, 934260), (720, 918689), (828, 798860), (885, 747408), (920, 718974), (944, 700695), (1035, 639088), (1062, 622840), (1104, 599145), (1180, 560556), (1354, 488520), (1357, 487440), (1380, 479316), (1416, 467130), (1656, 399430), (1770, 373704), (1840, 359487), (2031, 325680), (2070, 319544), (2124, 311420), (2360, 280278), (2655, 249136), (2708, 244260), (2714, 243720), (2760, 239658), (2832, 233565), (3312, 199715), (3385, 195408), (3540, 186852), (4062, 162840), (4071, 162480), (4140, 159772), (4248, 155710), (4720, 140139), (5310, 124568), (5416, 122130), (5428, 121860), (5520, 119829), (6093, 108560), (6770, 97704), (6785, 97488), (7080, 93426), (8124, 81420), (8142, 81240), (8280, 79886), (8496, 77855), (10155, 65136), (10620, 62284), (10832, 61065), (10856, 60930), (12186, 54280), (12213, 54160), (13540, 48852), (13570, 48744), (14160, 46713), (15571, 42480), (16248, 40710), (16284, 40620), (16560, 39943), (20310, 32568), (20355, 32496), (21240, 31142), (21712, 30465), (24372, 27140), (24426, 27080)]