2028077480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{18661}}^1$

素因数の和:18715

約数の個数: 128

約数和(自身を含む): 5643388800

約数和(自身を除く): 3615311320

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 19, 20, 22, 26, 38, 40, 44, 52, 55, 65, 76, 88, 95, 104, 110, 130, 143, 152, 190, 209, 220, 247, 260, 286, 380, 418, 440, 494, 520, 572, 715, 760, 836, 988, 1045, 1144, 1235, 1430, 1672, 1976, 2090, 2470, 2717, 2860, 4180, 4940, 5434, 5720, 8360, 9880, 10868, 13585, 18661, 21736, 27170, 37322, 54340, 74644, 93305, 108680, 149288, 186610, 205271, 242593, 354559, 373220, 410542, 485186, 709118, 746440, 821084, 970372, 1026355, 1212965, 1418236, 1642168, 1772795, 1940744, 2052710, 2425930, 2668523, 2836472, 3545590, 3900149, 4105420, 4609267, 4851860, 5337046, 7091180, 7800298, 8210840, 9218534, 9703720, 10674092, 13342615, 14182360, 15600596, 18437068, 19500745, 21348184, 23046335, 26685230, 31201192, 36874136, 39001490, 46092670, 50701937, 53370460, 78002980, 92185340, 101403874, 106740920, 156005960, 184370680, 202807748, 253509685, 405615496, 507019370, 1014038740, 2028077480]

約数ペア:

[(1, 2028077480), (2, 1014038740), (4, 507019370), (5, 405615496), (8, 253509685), (10, 202807748), (11, 184370680), (13, 156005960), (19, 106740920), (20, 101403874), (22, 92185340), (26, 78002980), (38, 53370460), (40, 50701937), (44, 46092670), (52, 39001490), (55, 36874136), (65, 31201192), (76, 26685230), (88, 23046335), (95, 21348184), (104, 19500745), (110, 18437068), (130, 15600596), (143, 14182360), (152, 13342615), (190, 10674092), (209, 9703720), (220, 9218534), (247, 8210840), (260, 7800298), (286, 7091180), (380, 5337046), (418, 4851860), (440, 4609267), (494, 4105420), (520, 3900149), (572, 3545590), (715, 2836472), (760, 2668523), (836, 2425930), (988, 2052710), (1045, 1940744), (1144, 1772795), (1235, 1642168), (1430, 1418236), (1672, 1212965), (1976, 1026355), (2090, 970372), (2470, 821084), (2717, 746440), (2860, 709118), (4180, 485186), (4940, 410542), (5434, 373220), (5720, 354559), (8360, 242593), (9880, 205271), (10868, 186610), (13585, 149288), (18661, 108680), (21736, 93305), (27170, 74644), (37322, 54340)]