15921620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{293}}^1$

素因数の和:345

約数の個数: 96

約数和(自身を含む): 41489280

約数和(自身を除く): 25567660

約数列:

[1, 2, 4, 5, 10, 11, 13, 19, 20, 22, 26, 38, 44, 52, 55, 65, 76, 95, 110, 130, 143, 190, 209, 220, 247, 260, 286, 293, 380, 418, 494, 572, 586, 715, 836, 988, 1045, 1172, 1235, 1430, 1465, 2090, 2470, 2717, 2860, 2930, 3223, 3809, 4180, 4940, 5434, 5567, 5860, 6446, 7618, 10868, 11134, 12892, 13585, 15236, 16115, 19045, 22268, 27170, 27835, 32230, 38090, 41899, 54340, 55670, 61237, 64460, 72371, 76180, 83798, 111340, 122474, 144742, 167596, 209495, 244948, 289484, 306185, 361855, 418990, 612370, 723710, 796081, 837980, 1224740, 1447420, 1592162, 3184324, 3980405, 7960810, 15921620]

約数ペア:

[(1, 15921620), (2, 7960810), (4, 3980405), (5, 3184324), (10, 1592162), (11, 1447420), (13, 1224740), (19, 837980), (20, 796081), (22, 723710), (26, 612370), (38, 418990), (44, 361855), (52, 306185), (55, 289484), (65, 244948), (76, 209495), (95, 167596), (110, 144742), (130, 122474), (143, 111340), (190, 83798), (209, 76180), (220, 72371), (247, 64460), (260, 61237), (286, 55670), (293, 54340), (380, 41899), (418, 38090), (494, 32230), (572, 27835), (586, 27170), (715, 22268), (836, 19045), (988, 16115), (1045, 15236), (1172, 13585), (1235, 12892), (1430, 11134), (1465, 10868), (2090, 7618), (2470, 6446), (2717, 5860), (2860, 5567), (2930, 5434), (3223, 4940), (3809, 4180)]