8620680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{199}}^1$

素因数の和:251

約数の個数: 96

約数和(自身を含む): 27432000

約数和(自身を除く): 18811320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 199, 228, 285, 361, 380, 398, 456, 570, 597, 722, 760, 796, 995, 1083, 1140, 1194, 1444, 1592, 1805, 1990, 2166, 2280, 2388, 2888, 2985, 3610, 3781, 3980, 4332, 4776, 5415, 5970, 7220, 7562, 7960, 8664, 10830, 11343, 11940, 14440, 15124, 18905, 21660, 22686, 23880, 30248, 37810, 43320, 45372, 56715, 71839, 75620, 90744, 113430, 143678, 151240, 215517, 226860, 287356, 359195, 431034, 453720, 574712, 718390, 862068, 1077585, 1436780, 1724136, 2155170, 2873560, 4310340, 8620680]

約数ペア:

[(1, 8620680), (2, 4310340), (3, 2873560), (4, 2155170), (5, 1724136), (6, 1436780), (8, 1077585), (10, 862068), (12, 718390), (15, 574712), (19, 453720), (20, 431034), (24, 359195), (30, 287356), (38, 226860), (40, 215517), (57, 151240), (60, 143678), (76, 113430), (95, 90744), (114, 75620), (120, 71839), (152, 56715), (190, 45372), (199, 43320), (228, 37810), (285, 30248), (361, 23880), (380, 22686), (398, 21660), (456, 18905), (570, 15124), (597, 14440), (722, 11940), (760, 11343), (796, 10830), (995, 8664), (1083, 7960), (1140, 7562), (1194, 7220), (1444, 5970), (1592, 5415), (1805, 4776), (1990, 4332), (2166, 3980), (2280, 3781), (2388, 3610), (2888, 2985)]