15565980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{4253}}^1$

素因数の和:4326

約数の個数: 48

約数和(自身を含む): 44309664

約数和(自身を除く): 28743684

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 244, 305, 366, 610, 732, 915, 1220, 1830, 3660, 4253, 8506, 12759, 17012, 21265, 25518, 42530, 51036, 63795, 85060, 127590, 255180, 259433, 518866, 778299, 1037732, 1297165, 1556598, 2594330, 3113196, 3891495, 5188660, 7782990, 15565980]

約数ペア:

[(1, 15565980), (2, 7782990), (3, 5188660), (4, 3891495), (5, 3113196), (6, 2594330), (10, 1556598), (12, 1297165), (15, 1037732), (20, 778299), (30, 518866), (60, 259433), (61, 255180), (122, 127590), (183, 85060), (244, 63795), (305, 51036), (366, 42530), (610, 25518), (732, 21265), (915, 17012), (1220, 12759), (1830, 8506), (3660, 4253)]