15611120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{457}}^1$

素因数の和:538

約数の個数: 80

約数和(自身を含む): 42253248

約数和(自身を除く): 26642128

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 61, 70, 80, 112, 122, 140, 244, 280, 305, 427, 457, 488, 560, 610, 854, 914, 976, 1220, 1708, 1828, 2135, 2285, 2440, 3199, 3416, 3656, 4270, 4570, 4880, 6398, 6832, 7312, 8540, 9140, 12796, 15995, 17080, 18280, 25592, 27877, 31990, 34160, 36560, 51184, 55754, 63980, 111508, 127960, 139385, 195139, 223016, 255920, 278770, 390278, 446032, 557540, 780556, 975695, 1115080, 1561112, 1951390, 2230160, 3122224, 3902780, 7805560, 15611120]

約数ペア:

[(1, 15611120), (2, 7805560), (4, 3902780), (5, 3122224), (7, 2230160), (8, 1951390), (10, 1561112), (14, 1115080), (16, 975695), (20, 780556), (28, 557540), (35, 446032), (40, 390278), (56, 278770), (61, 255920), (70, 223016), (80, 195139), (112, 139385), (122, 127960), (140, 111508), (244, 63980), (280, 55754), (305, 51184), (427, 36560), (457, 34160), (488, 31990), (560, 27877), (610, 25592), (854, 18280), (914, 17080), (976, 15995), (1220, 12796), (1708, 9140), (1828, 8540), (2135, 7312), (2285, 6832), (2440, 6398), (3199, 4880), (3416, 4570), (3656, 4270)]