81371758020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{6249751}}^1$

素因数の和:6249801

約数の個数: 96

約数和(自身を含む): 268789334016

約数和(自身を除く): 187417575996

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 60, 62, 70, 84, 93, 105, 124, 140, 155, 186, 210, 217, 310, 372, 420, 434, 465, 620, 651, 868, 930, 1085, 1302, 1860, 2170, 2604, 3255, 4340, 6510, 13020, 6249751, 12499502, 18749253, 24999004, 31248755, 37498506, 43748257, 62497510, 74997012, 87496514, 93746265, 124995020, 131244771, 174993028, 187492530, 193742281, 218741285, 262489542, 374985060, 387484562, 437482570, 524979084, 581226843, 656223855, 774969124, 874965140, 968711405, 1162453686, 1312447710, 1356195967, 1937422810, 2324907372, 2624895420, 2712391934, 2906134215, 3874845620, 4068587901, 5424783868, 5812268430, 6780979835, 8137175802, 11624536860, 13561959670, 16274351604, 20342939505, 27123919340, 40685879010, 81371758020]

約数ペア:

[(1, 81371758020), (2, 40685879010), (3, 27123919340), (4, 20342939505), (5, 16274351604), (6, 13561959670), (7, 11624536860), (10, 8137175802), (12, 6780979835), (14, 5812268430), (15, 5424783868), (20, 4068587901), (21, 3874845620), (28, 2906134215), (30, 2712391934), (31, 2624895420), (35, 2324907372), (42, 1937422810), (60, 1356195967), (62, 1312447710), (70, 1162453686), (84, 968711405), (93, 874965140), (105, 774969124), (124, 656223855), (140, 581226843), (155, 524979084), (186, 437482570), (210, 387484562), (217, 374985060), (310, 262489542), (372, 218741285), (420, 193742281), (434, 187492530), (465, 174993028), (620, 131244771), (651, 124995020), (868, 93746265), (930, 87496514), (1085, 74997012), (1302, 62497510), (1860, 43748257), (2170, 37498506), (2604, 31248755), (3255, 24999004), (4340, 18749253), (6510, 12499502), (13020, 6249751)]