65460720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20981}}^1$

素因数の和:21010

約数の個数: 80

約数和(自身を含む): 218548512

約数和(自身を除く): 153087792

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 20981, 41962, 62943, 83924, 104905, 125886, 167848, 209810, 251772, 272753, 314715, 335696, 419620, 503544, 545506, 629430, 818259, 839240, 1007088, 1091012, 1258860, 1363765, 1636518, 1678480, 2182024, 2517720, 2727530, 3273036, 4091295, 4364048, 5035440, 5455060, 6546072, 8182590, 10910120, 13092144, 16365180, 21820240, 32730360, 65460720]

約数ペア:

[(1, 65460720), (2, 32730360), (3, 21820240), (4, 16365180), (5, 13092144), (6, 10910120), (8, 8182590), (10, 6546072), (12, 5455060), (13, 5035440), (15, 4364048), (16, 4091295), (20, 3273036), (24, 2727530), (26, 2517720), (30, 2182024), (39, 1678480), (40, 1636518), (48, 1363765), (52, 1258860), (60, 1091012), (65, 1007088), (78, 839240), (80, 818259), (104, 629430), (120, 545506), (130, 503544), (156, 419620), (195, 335696), (208, 314715), (240, 272753), (260, 251772), (312, 209810), (390, 167848), (520, 125886), (624, 104905), (780, 83924), (1040, 62943), (1560, 41962), (3120, 20981)]