157581320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{4523}}^1$

素因数の和:4614

約数の個数: 64

約数和(自身を含む): 387616320

約数和(自身を除く): 230035000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 67, 104, 130, 134, 260, 268, 335, 520, 536, 670, 871, 1340, 1742, 2680, 3484, 4355, 4523, 6968, 8710, 9046, 17420, 18092, 22615, 34840, 36184, 45230, 58799, 90460, 117598, 180920, 235196, 293995, 303041, 470392, 587990, 606082, 1175980, 1212164, 1515205, 2351960, 2424328, 3030410, 3939533, 6060820, 7879066, 12121640, 15758132, 19697665, 31516264, 39395330, 78790660, 157581320]

約数ペア:

[(1, 157581320), (2, 78790660), (4, 39395330), (5, 31516264), (8, 19697665), (10, 15758132), (13, 12121640), (20, 7879066), (26, 6060820), (40, 3939533), (52, 3030410), (65, 2424328), (67, 2351960), (104, 1515205), (130, 1212164), (134, 1175980), (260, 606082), (268, 587990), (335, 470392), (520, 303041), (536, 293995), (670, 235196), (871, 180920), (1340, 117598), (1742, 90460), (2680, 58799), (3484, 45230), (4355, 36184), (4523, 34840), (6968, 22615), (8710, 18092), (9046, 17420)]