121988360

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{12347}}^1$

素因数の和:12390

約数の個数: 64

約数和(自身を含む): 311169600

約数和(自身を除く): 189181240

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1235, 1976, 2470, 4940, 9880, 12347, 24694, 49388, 61735, 98776, 123470, 160511, 234593, 246940, 321022, 469186, 493880, 642044, 802555, 938372, 1172965, 1284088, 1605110, 1876744, 2345930, 3049709, 3210220, 4691860, 6099418, 6420440, 9383720, 12198836, 15248545, 24397672, 30497090, 60994180, 121988360]

約数ペア:

[(1, 121988360), (2, 60994180), (4, 30497090), (5, 24397672), (8, 15248545), (10, 12198836), (13, 9383720), (19, 6420440), (20, 6099418), (26, 4691860), (38, 3210220), (40, 3049709), (52, 2345930), (65, 1876744), (76, 1605110), (95, 1284088), (104, 1172965), (130, 938372), (152, 802555), (190, 642044), (247, 493880), (260, 469186), (380, 321022), (494, 246940), (520, 234593), (760, 160511), (988, 123470), (1235, 98776), (1976, 61735), (2470, 49388), (4940, 24694), (9880, 12347)]