641655360

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7187}}^1$

素因数の和:7241

約数の個数: 168

約数和(自身を含む): 2278538496

約数和(自身を除く): 1636883136

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 45, 48, 60, 62, 64, 72, 80, 90, 93, 96, 120, 124, 144, 155, 160, 180, 186, 192, 240, 248, 279, 288, 310, 320, 360, 372, 465, 480, 496, 558, 576, 620, 720, 744, 930, 960, 992, 1116, 1240, 1395, 1440, 1488, 1860, 1984, 2232, 2480, 2790, 2880, 2976, 3720, 4464, 4960, 5580, 5952, 7187, 7440, 8928, 9920, 11160, 14374, 14880, 17856, 21561, 22320, 28748, 29760, 35935, 43122, 44640, 57496, 64683, 71870, 86244, 89280, 107805, 114992, 129366, 143740, 172488, 215610, 222797, 229984, 258732, 287480, 323415, 344976, 431220, 445594, 459968, 517464, 574960, 646830, 668391, 689952, 862440, 891188, 1034928, 1113985, 1149920, 1293660, 1336782, 1379904, 1724880, 1782376, 2005173, 2069856, 2227970, 2299840, 2587320, 2673564, 3341955, 3449760, 3564752, 4010346, 4139712, 4455940, 5174640, 5347128, 6683910, 6899520, 7129504, 8020692, 8911880, 10025865, 10349280, 10694256, 13367820, 14259008, 16041384, 17823760, 20051730, 20698560, 21388512, 26735640, 32082768, 35647520, 40103460, 42777024, 53471280, 64165536, 71295040, 80206920, 106942560, 128331072, 160413840, 213885120, 320827680, 641655360]

約数ペア:

[(1, 641655360), (2, 320827680), (3, 213885120), (4, 160413840), (5, 128331072), (6, 106942560), (8, 80206920), (9, 71295040), (10, 64165536), (12, 53471280), (15, 42777024), (16, 40103460), (18, 35647520), (20, 32082768), (24, 26735640), (30, 21388512), (31, 20698560), (32, 20051730), (36, 17823760), (40, 16041384), (45, 14259008), (48, 13367820), (60, 10694256), (62, 10349280), (64, 10025865), (72, 8911880), (80, 8020692), (90, 7129504), (93, 6899520), (96, 6683910), (120, 5347128), (124, 5174640), (144, 4455940), (155, 4139712), (160, 4010346), (180, 3564752), (186, 3449760), (192, 3341955), (240, 2673564), (248, 2587320), (279, 2299840), (288, 2227970), (310, 2069856), (320, 2005173), (360, 1782376), (372, 1724880), (465, 1379904), (480, 1336782), (496, 1293660), (558, 1149920), (576, 1113985), (620, 1034928), (720, 891188), (744, 862440), (930, 689952), (960, 668391), (992, 646830), (1116, 574960), (1240, 517464), (1395, 459968), (1440, 445594), (1488, 431220), (1860, 344976), (1984, 323415), (2232, 287480), (2480, 258732), (2790, 229984), (2880, 222797), (2976, 215610), (3720, 172488), (4464, 143740), (4960, 129366), (5580, 114992), (5952, 107805), (7187, 89280), (7440, 86244), (8928, 71870), (9920, 64683), (11160, 57496), (14374, 44640), (14880, 43122), (17856, 35935), (21561, 29760), (22320, 28748)]