15221940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{4159}}^1$

素因数の和:4232

約数の個数: 48

約数和(自身を含む): 43330560

約数和(自身を除く): 28108620

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, 4159, 8318, 12477, 16636, 20795, 24954, 41590, 49908, 62385, 83180, 124770, 249540, 253699, 507398, 761097, 1014796, 1268495, 1522194, 2536990, 3044388, 3805485, 5073980, 7610970, 15221940]

約数ペア:

[(1, 15221940), (2, 7610970), (3, 5073980), (4, 3805485), (5, 3044388), (6, 2536990), (10, 1522194), (12, 1268495), (15, 1014796), (20, 761097), (30, 507398), (60, 253699), (61, 249540), (122, 124770), (183, 83180), (244, 62385), (305, 49908), (366, 41590), (610, 24954), (732, 20795), (915, 16636), (1220, 12477), (1830, 8318), (3660, 4159)]