2671872640

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{983}}^1$

素因数の和:1170

約数の個数: 128

約数和(自身を含む): 6648376320

約数和(自身を除く): 3976503680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 137, 155, 160, 248, 274, 310, 320, 496, 548, 620, 640, 685, 983, 992, 1096, 1240, 1370, 1966, 1984, 2192, 2480, 2740, 3932, 3968, 4247, 4384, 4915, 4960, 5480, 7864, 8494, 8768, 9830, 9920, 10960, 15728, 16988, 17536, 19660, 19840, 21235, 21920, 30473, 31456, 33976, 39320, 42470, 43840, 60946, 62912, 67952, 78640, 84940, 87680, 121892, 125824, 134671, 135904, 152365, 157280, 169880, 243784, 269342, 271808, 304730, 314560, 339760, 487568, 538684, 543616, 609460, 629120, 673355, 679520, 975136, 1077368, 1218920, 1346710, 1359040, 1950272, 2154736, 2437840, 2693420, 2718080, 3900544, 4174801, 4309472, 4875680, 5386840, 8349602, 8618944, 9751360, 10773680, 16699204, 17237888, 19502720, 20874005, 21547360, 33398408, 41748010, 43094720, 66796816, 83496020, 86189440, 133593632, 166992040, 267187264, 333984080, 534374528, 667968160, 1335936320, 2671872640]

約数ペア:

[(1, 2671872640), (2, 1335936320), (4, 667968160), (5, 534374528), (8, 333984080), (10, 267187264), (16, 166992040), (20, 133593632), (31, 86189440), (32, 83496020), (40, 66796816), (62, 43094720), (64, 41748010), (80, 33398408), (124, 21547360), (128, 20874005), (137, 19502720), (155, 17237888), (160, 16699204), (248, 10773680), (274, 9751360), (310, 8618944), (320, 8349602), (496, 5386840), (548, 4875680), (620, 4309472), (640, 4174801), (685, 3900544), (983, 2718080), (992, 2693420), (1096, 2437840), (1240, 2154736), (1370, 1950272), (1966, 1359040), (1984, 1346710), (2192, 1218920), (2480, 1077368), (2740, 975136), (3932, 679520), (3968, 673355), (4247, 629120), (4384, 609460), (4915, 543616), (4960, 538684), (5480, 487568), (7864, 339760), (8494, 314560), (8768, 304730), (9830, 271808), (9920, 269342), (10960, 243784), (15728, 169880), (16988, 157280), (17536, 152365), (19660, 135904), (19840, 134671), (21235, 125824), (21920, 121892), (30473, 87680), (31456, 84940), (33976, 78640), (39320, 67952), (42470, 62912), (43840, 60946)]