15678971180

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{263}}^1\times {\mathrm{41983}}^1$

素因数の和:42326

約数の個数: 48

約数和(自身を含む): 33517338624

約数和(自身を除く): 17838367444

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 263, 284, 355, 526, 710, 1052, 1315, 1420, 2630, 5260, 18673, 37346, 41983, 74692, 83966, 93365, 167932, 186730, 209915, 373460, 419830, 839660, 2980793, 5961586, 11041529, 11923172, 14903965, 22083058, 29807930, 44166116, 55207645, 59615860, 110415290, 220830580, 783948559, 1567897118, 3135794236, 3919742795, 7839485590, 15678971180]

約数ペア:

[(1, 15678971180), (2, 7839485590), (4, 3919742795), (5, 3135794236), (10, 1567897118), (20, 783948559), (71, 220830580), (142, 110415290), (263, 59615860), (284, 55207645), (355, 44166116), (526, 29807930), (710, 22083058), (1052, 14903965), (1315, 11923172), (1420, 11041529), (2630, 5961586), (5260, 2980793), (18673, 839660), (37346, 419830), (41983, 373460), (74692, 209915), (83966, 186730), (93365, 167932)]