19806143640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{36061}}^1$

素因数の和:36297

約数の個数: 128

約数和(自身を含む): 62315136000

約数和(自身を除く): 42508992360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 199, 230, 276, 345, 398, 460, 552, 597, 690, 796, 920, 995, 1194, 1380, 1592, 1990, 2388, 2760, 2985, 3980, 4577, 4776, 5970, 7960, 9154, 11940, 13731, 18308, 22885, 23880, 27462, 36061, 36616, 45770, 54924, 68655, 72122, 91540, 108183, 109848, 137310, 144244, 180305, 183080, 216366, 274620, 288488, 360610, 432732, 540915, 549240, 721220, 829403, 865464, 1081830, 1442440, 1658806, 2163660, 2488209, 3317612, 4147015, 4327320, 4976418, 6635224, 7176139, 8294030, 9952836, 12441045, 14352278, 16588060, 19905672, 21528417, 24882090, 28704556, 33176120, 35880695, 43056834, 49764180, 57409112, 71761390, 86113668, 99528360, 107642085, 143522780, 165051197, 172227336, 215284170, 287045560, 330102394, 430568340, 495153591, 660204788, 825255985, 861136680, 990307182, 1320409576, 1650511970, 1980614364, 2475767955, 3301023940, 3961228728, 4951535910, 6602047880, 9903071820, 19806143640]

約数ペア:

[(1, 19806143640), (2, 9903071820), (3, 6602047880), (4, 4951535910), (5, 3961228728), (6, 3301023940), (8, 2475767955), (10, 1980614364), (12, 1650511970), (15, 1320409576), (20, 990307182), (23, 861136680), (24, 825255985), (30, 660204788), (40, 495153591), (46, 430568340), (60, 330102394), (69, 287045560), (92, 215284170), (115, 172227336), (120, 165051197), (138, 143522780), (184, 107642085), (199, 99528360), (230, 86113668), (276, 71761390), (345, 57409112), (398, 49764180), (460, 43056834), (552, 35880695), (597, 33176120), (690, 28704556), (796, 24882090), (920, 21528417), (995, 19905672), (1194, 16588060), (1380, 14352278), (1592, 12441045), (1990, 9952836), (2388, 8294030), (2760, 7176139), (2985, 6635224), (3980, 4976418), (4577, 4327320), (4776, 4147015), (5970, 3317612), (7960, 2488209), (9154, 2163660), (11940, 1658806), (13731, 1442440), (18308, 1081830), (22885, 865464), (23880, 829403), (27462, 721220), (36061, 549240), (36616, 540915), (45770, 432732), (54924, 360610), (68655, 288488), (72122, 274620), (91540, 216366), (108183, 183080), (109848, 180305), (137310, 144244)]