66437840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{4091}}^1$

素因数の和:4140

約数の個数: 80

約数和(自身を含む): 182666880

約数和(自身を除く): 116229040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 35, 40, 56, 58, 70, 80, 112, 116, 140, 145, 203, 232, 280, 290, 406, 464, 560, 580, 812, 1015, 1160, 1624, 2030, 2320, 3248, 4060, 4091, 8120, 8182, 16240, 16364, 20455, 28637, 32728, 40910, 57274, 65456, 81820, 114548, 118639, 143185, 163640, 229096, 237278, 286370, 327280, 458192, 474556, 572740, 593195, 830473, 949112, 1145480, 1186390, 1660946, 1898224, 2290960, 2372780, 3321892, 4152365, 4745560, 6643784, 8304730, 9491120, 13287568, 16609460, 33218920, 66437840]

約数ペア:

[(1, 66437840), (2, 33218920), (4, 16609460), (5, 13287568), (7, 9491120), (8, 8304730), (10, 6643784), (14, 4745560), (16, 4152365), (20, 3321892), (28, 2372780), (29, 2290960), (35, 1898224), (40, 1660946), (56, 1186390), (58, 1145480), (70, 949112), (80, 830473), (112, 593195), (116, 572740), (140, 474556), (145, 458192), (203, 327280), (232, 286370), (280, 237278), (290, 229096), (406, 163640), (464, 143185), (560, 118639), (580, 114548), (812, 81820), (1015, 65456), (1160, 57274), (1624, 40910), (2030, 32728), (2320, 28637), (3248, 20455), (4060, 16364), (4091, 16240), (8120, 8182)]