51513540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{313}}^1$

素因数の和:549

約数の個数: 96

約数和(自身を含む): 156567936

約数和(自身を除く): 105054396

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 211, 260, 313, 390, 422, 626, 633, 780, 844, 939, 1055, 1252, 1266, 1565, 1878, 2110, 2532, 2743, 3130, 3165, 3756, 4069, 4220, 4695, 5486, 6260, 6330, 8138, 8229, 9390, 10972, 12207, 12660, 13715, 16276, 16458, 18780, 20345, 24414, 27430, 32916, 40690, 41145, 48828, 54860, 61035, 66043, 81380, 82290, 122070, 132086, 164580, 198129, 244140, 264172, 330215, 396258, 660430, 792516, 858559, 990645, 1320860, 1717118, 1981290, 2575677, 3434236, 3962580, 4292795, 5151354, 8585590, 10302708, 12878385, 17171180, 25756770, 51513540]

約数ペア:

[(1, 51513540), (2, 25756770), (3, 17171180), (4, 12878385), (5, 10302708), (6, 8585590), (10, 5151354), (12, 4292795), (13, 3962580), (15, 3434236), (20, 2575677), (26, 1981290), (30, 1717118), (39, 1320860), (52, 990645), (60, 858559), (65, 792516), (78, 660430), (130, 396258), (156, 330215), (195, 264172), (211, 244140), (260, 198129), (313, 164580), (390, 132086), (422, 122070), (626, 82290), (633, 81380), (780, 66043), (844, 61035), (939, 54860), (1055, 48828), (1252, 41145), (1266, 40690), (1565, 32916), (1878, 27430), (2110, 24414), (2532, 20345), (2743, 18780), (3130, 16458), (3165, 16276), (3756, 13715), (4069, 12660), (4220, 12207), (4695, 10972), (5486, 9390), (6260, 8229), (6330, 8138)]