640589040

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3259}}^1$

素因数の和:3301

約数の個数: 320

約数和(自身を含む): 2716492800

約数和(自身を除く): 2075903760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 18, 20, 21, 24, 26, 27, 28, 30, 35, 36, 39, 40, 42, 45, 48, 52, 54, 56, 60, 63, 65, 70, 72, 78, 80, 84, 90, 91, 104, 105, 108, 112, 117, 120, 126, 130, 135, 140, 144, 156, 168, 180, 182, 189, 195, 208, 210, 216, 234, 240, 252, 260, 270, 273, 280, 312, 315, 336, 351, 360, 364, 378, 390, 420, 432, 455, 468, 504, 520, 540, 546, 560, 585, 624, 630, 702, 720, 728, 756, 780, 819, 840, 910, 936, 945, 1008, 1040, 1080, 1092, 1170, 1260, 1365, 1404, 1456, 1512, 1560, 1638, 1680, 1755, 1820, 1872, 1890, 2160, 2184, 2340, 2457, 2520, 2730, 2808, 3024, 3120, 3259, 3276, 3510, 3640, 3780, 4095, 4368, 4680, 4914, 5040, 5460, 5616, 6518, 6552, 7020, 7280, 7560, 8190, 9360, 9777, 9828, 10920, 12285, 13036, 13104, 14040, 15120, 16295, 16380, 19554, 19656, 21840, 22813, 24570, 26072, 28080, 29331, 32590, 32760, 39108, 39312, 42367, 45626, 48885, 49140, 52144, 58662, 65180, 65520, 68439, 78216, 84734, 87993, 91252, 97770, 98280, 114065, 117324, 127101, 130360, 136878, 146655, 156432, 169468, 175986, 182504, 195540, 196560, 205317, 211835, 228130, 234648, 254202, 260720, 273756, 293310, 296569, 338936, 342195, 351972, 365008, 381303, 391080, 410634, 423670, 439965, 456260, 469296, 508404, 547512, 586620, 593138, 615951, 635505, 677872, 684390, 703944, 762606, 782160, 821268, 847340, 879930, 889707, 912520, 1016808, 1026585, 1095024, 1143909, 1173240, 1186276, 1231902, 1271010, 1368780, 1407888, 1482845, 1525212, 1642536, 1694680, 1759860, 1779414, 1825040, 1906515, 2033616, 2053170, 2287818, 2346480, 2372552, 2463804, 2542020, 2669121, 2737560, 2965690, 3050424, 3079755, 3285072, 3389360, 3519720, 3558828, 3813030, 4106340, 4448535, 4575636, 4745104, 4927608, 5084040, 5338242, 5475120, 5719545, 5931380, 6100848, 6159510, 7039440, 7117656, 7626060, 8007363, 8212680, 8897070, 9151272, 9855216, 10168080, 10676484, 11439090, 11862760, 12319020, 13345605, 14235312, 15252120, 16014726, 16425360, 17794140, 18302544, 21352968, 22878180, 23725520, 24638040, 26691210, 30504240, 32029452, 35588280, 40036815, 42705936, 45756360, 49276080, 53382420, 64058904, 71176560, 80073630, 91512720, 106764840, 128117808, 160147260, 213529680, 320294520, 640589040]

約数ペア:

[(1, 640589040), (2, 320294520), (3, 213529680), (4, 160147260), (5, 128117808), (6, 106764840), (7, 91512720), (8, 80073630), (9, 71176560), (10, 64058904), (12, 53382420), (13, 49276080), (14, 45756360), (15, 42705936), (16, 40036815), (18, 35588280), (20, 32029452), (21, 30504240), (24, 26691210), (26, 24638040), (27, 23725520), (28, 22878180), (30, 21352968), (35, 18302544), (36, 17794140), (39, 16425360), (40, 16014726), (42, 15252120), (45, 14235312), (48, 13345605), (52, 12319020), (54, 11862760), (56, 11439090), (60, 10676484), (63, 10168080), (65, 9855216), (70, 9151272), (72, 8897070), (78, 8212680), (80, 8007363), (84, 7626060), (90, 7117656), (91, 7039440), (104, 6159510), (105, 6100848), (108, 5931380), (112, 5719545), (117, 5475120), (120, 5338242), (126, 5084040), (130, 4927608), (135, 4745104), (140, 4575636), (144, 4448535), (156, 4106340), (168, 3813030), (180, 3558828), (182, 3519720), (189, 3389360), (195, 3285072), (208, 3079755), (210, 3050424), (216, 2965690), (234, 2737560), (240, 2669121), (252, 2542020), (260, 2463804), (270, 2372552), (273, 2346480), (280, 2287818), (312, 2053170), (315, 2033616), (336, 1906515), (351, 1825040), (360, 1779414), (364, 1759860), (378, 1694680), (390, 1642536), (420, 1525212), (432, 1482845), (455, 1407888), (468, 1368780), (504, 1271010), (520, 1231902), (540, 1186276), (546, 1173240), (560, 1143909), (585, 1095024), (624, 1026585), (630, 1016808), (702, 912520), (720, 889707), (728, 879930), (756, 847340), (780, 821268), (819, 782160), (840, 762606), (910, 703944), (936, 684390), (945, 677872), (1008, 635505), (1040, 615951), (1080, 593138), (1092, 586620), (1170, 547512), (1260, 508404), (1365, 469296), (1404, 456260), (1456, 439965), (1512, 423670), (1560, 410634), (1638, 391080), (1680, 381303), (1755, 365008), (1820, 351972), (1872, 342195), (1890, 338936), (2160, 296569), (2184, 293310), (2340, 273756), (2457, 260720), (2520, 254202), (2730, 234648), (2808, 228130), (3024, 211835), (3120, 205317), (3259, 196560), (3276, 195540), (3510, 182504), (3640, 175986), (3780, 169468), (4095, 156432), (4368, 146655), (4680, 136878), (4914, 130360), (5040, 127101), (5460, 117324), (5616, 114065), (6518, 98280), (6552, 97770), (7020, 91252), (7280, 87993), (7560, 84734), (8190, 78216), (9360, 68439), (9777, 65520), (9828, 65180), (10920, 58662), (12285, 52144), (13036, 49140), (13104, 48885), (14040, 45626), (15120, 42367), (16295, 39312), (16380, 39108), (19554, 32760), (19656, 32590), (21840, 29331), (22813, 28080), (24570, 26072)]