64747320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{271}}^1$

素因数の和:477

約数の個数: 128

約数和(自身を含む): 213857280

約数和(自身を除く): 149109960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 181, 220, 264, 271, 330, 362, 440, 542, 543, 660, 724, 813, 905, 1084, 1086, 1320, 1355, 1448, 1626, 1810, 1991, 2168, 2172, 2710, 2715, 2981, 3252, 3620, 3982, 4065, 4344, 5420, 5430, 5962, 5973, 6504, 7240, 7964, 8130, 8943, 9955, 10840, 10860, 11924, 11946, 14905, 15928, 16260, 17886, 19910, 21720, 23848, 23892, 29810, 29865, 32520, 35772, 39820, 44715, 47784, 49051, 59620, 59730, 71544, 79640, 89430, 98102, 119240, 119460, 147153, 178860, 196204, 238920, 245255, 294306, 357720, 392408, 490510, 539561, 588612, 735765, 981020, 1079122, 1177224, 1471530, 1618683, 1962040, 2158244, 2697805, 2943060, 3237366, 4316488, 5395610, 5886120, 6474732, 8093415, 10791220, 12949464, 16186830, 21582440, 32373660, 64747320]

約数ペア:

[(1, 64747320), (2, 32373660), (3, 21582440), (4, 16186830), (5, 12949464), (6, 10791220), (8, 8093415), (10, 6474732), (11, 5886120), (12, 5395610), (15, 4316488), (20, 3237366), (22, 2943060), (24, 2697805), (30, 2158244), (33, 1962040), (40, 1618683), (44, 1471530), (55, 1177224), (60, 1079122), (66, 981020), (88, 735765), (110, 588612), (120, 539561), (132, 490510), (165, 392408), (181, 357720), (220, 294306), (264, 245255), (271, 238920), (330, 196204), (362, 178860), (440, 147153), (542, 119460), (543, 119240), (660, 98102), (724, 89430), (813, 79640), (905, 71544), (1084, 59730), (1086, 59620), (1320, 49051), (1355, 47784), (1448, 44715), (1626, 39820), (1810, 35772), (1991, 32520), (2168, 29865), (2172, 29810), (2710, 23892), (2715, 23848), (2981, 21720), (3252, 19910), (3620, 17886), (3982, 16260), (4065, 15928), (4344, 14905), (5420, 11946), (5430, 11924), (5962, 10860), (5973, 10840), (6504, 9955), (7240, 8943), (7964, 8130)]