15611960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4289}}^1$

素因数の和:4320

約数の個数: 64

約数和(自身を含む): 43243200

約数和(自身を除く): 27631240

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 4289, 8578, 17156, 21445, 30023, 34312, 42890, 55757, 60046, 85780, 111514, 120092, 150115, 171560, 223028, 240184, 278785, 300230, 390299, 446056, 557570, 600460, 780598, 1115140, 1200920, 1561196, 1951495, 2230280, 3122392, 3902990, 7805980, 15611960]

約数ペア:

[(1, 15611960), (2, 7805980), (4, 3902990), (5, 3122392), (7, 2230280), (8, 1951495), (10, 1561196), (13, 1200920), (14, 1115140), (20, 780598), (26, 600460), (28, 557570), (35, 446056), (40, 390299), (52, 300230), (56, 278785), (65, 240184), (70, 223028), (91, 171560), (104, 150115), (130, 120092), (140, 111514), (182, 85780), (260, 60046), (280, 55757), (364, 42890), (455, 34312), (520, 30023), (728, 21445), (910, 17156), (1820, 8578), (3640, 4289)]