320827680

素因数分解:

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

素因数の和:7239

約数の個数: 144

約数和(自身を含む): 1130298624

約数和(自身を除く): 809470944

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, 72, 80, 90, 93, 96, 120, 124, 144, 155, 160, 180, 186, 240, 248, 279, 288, 310, 360, 372, 465, 480, 496, 558, 620, 720, 744, 930, 992, 1116, 1240, 1395, 1440, 1488, 1860, 2232, 2480, 2790, 2976, 3720, 4464, 4960, 5580, 7187, 7440, 8928, 11160, 14374, 14880, 21561, 22320, 28748, 35935, 43122, 44640, 57496, 64683, 71870, 86244, 107805, 114992, 129366, 143740, 172488, 215610, 222797, 229984, 258732, 287480, 323415, 344976, 431220, 445594, 517464, 574960, 646830, 668391, 689952, 862440, 891188, 1034928, 1113985, 1149920, 1293660, 1336782, 1724880, 1782376, 2005173, 2069856, 2227970, 2587320, 2673564, 3341955, 3449760, 3564752, 4010346, 4455940, 5174640, 5347128, 6683910, 7129504, 8020692, 8911880, 10025865, 10349280, 10694256, 13367820, 16041384, 17823760, 20051730, 21388512, 26735640, 32082768, 35647520, 40103460, 53471280, 64165536, 80206920, 106942560, 160413840, 320827680]

約数ペア:

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