28562820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3329}}^1$

素因数の和:3365

約数の個数: 96

約数和(自身を含む): 93985920

約数和(自身を除く): 65423100

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 13, 15, 20, 22, 26, 30, 33, 39, 44, 52, 55, 60, 65, 66, 78, 110, 130, 132, 143, 156, 165, 195, 220, 260, 286, 330, 390, 429, 572, 660, 715, 780, 858, 1430, 1716, 2145, 2860, 3329, 4290, 6658, 8580, 9987, 13316, 16645, 19974, 33290, 36619, 39948, 43277, 49935, 66580, 73238, 86554, 99870, 109857, 129831, 146476, 173108, 183095, 199740, 216385, 219714, 259662, 366190, 432770, 439428, 476047, 519324, 549285, 649155, 732380, 865540, 952094, 1098570, 1298310, 1428141, 1904188, 2197140, 2380235, 2596620, 2856282, 4760470, 5712564, 7140705, 9520940, 14281410, 28562820]

約数ペア:

[(1, 28562820), (2, 14281410), (3, 9520940), (4, 7140705), (5, 5712564), (6, 4760470), (10, 2856282), (11, 2596620), (12, 2380235), (13, 2197140), (15, 1904188), (20, 1428141), (22, 1298310), (26, 1098570), (30, 952094), (33, 865540), (39, 732380), (44, 649155), (52, 549285), (55, 519324), (60, 476047), (65, 439428), (66, 432770), (78, 366190), (110, 259662), (130, 219714), (132, 216385), (143, 199740), (156, 183095), (165, 173108), (195, 146476), (220, 129831), (260, 109857), (286, 99870), (330, 86554), (390, 73238), (429, 66580), (572, 49935), (660, 43277), (715, 39948), (780, 36619), (858, 33290), (1430, 19974), (1716, 16645), (2145, 13316), (2860, 9987), (3329, 8580), (4290, 6658)]