15187920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{523}}^1$

素因数の和:561

約数の個数: 120

約数和(自身を含む): 51850848

約数和(自身を除く): 36662928

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 121, 132, 165, 176, 220, 240, 242, 264, 330, 363, 440, 484, 523, 528, 605, 660, 726, 880, 968, 1046, 1210, 1320, 1452, 1569, 1815, 1936, 2092, 2420, 2615, 2640, 2904, 3138, 3630, 4184, 4840, 5230, 5753, 5808, 6276, 7260, 7845, 8368, 9680, 10460, 11506, 12552, 14520, 15690, 17259, 20920, 23012, 25104, 28765, 29040, 31380, 34518, 41840, 46024, 57530, 62760, 63283, 69036, 86295, 92048, 115060, 125520, 126566, 138072, 172590, 189849, 230120, 253132, 276144, 316415, 345180, 379698, 460240, 506264, 632830, 690360, 759396, 949245, 1012528, 1265660, 1380720, 1518792, 1898490, 2531320, 3037584, 3796980, 5062640, 7593960, 15187920]

約数ペア:

[(1, 15187920), (2, 7593960), (3, 5062640), (4, 3796980), (5, 3037584), (6, 2531320), (8, 1898490), (10, 1518792), (11, 1380720), (12, 1265660), (15, 1012528), (16, 949245), (20, 759396), (22, 690360), (24, 632830), (30, 506264), (33, 460240), (40, 379698), (44, 345180), (48, 316415), (55, 276144), (60, 253132), (66, 230120), (80, 189849), (88, 172590), (110, 138072), (120, 126566), (121, 125520), (132, 115060), (165, 92048), (176, 86295), (220, 69036), (240, 63283), (242, 62760), (264, 57530), (330, 46024), (363, 41840), (440, 34518), (484, 31380), (523, 29040), (528, 28765), (605, 25104), (660, 23012), (726, 20920), (880, 17259), (968, 15690), (1046, 14520), (1210, 12552), (1320, 11506), (1452, 10460), (1569, 9680), (1815, 8368), (1936, 7845), (2092, 7260), (2420, 6276), (2615, 5808), (2640, 5753), (2904, 5230), (3138, 4840), (3630, 4184)]