15901236

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{557}}^1$

素因数の和:641

約数の個数: 72

約数和(自身を含む): 44075304

約数和(自身を除く): 28174068

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 61, 78, 117, 122, 156, 183, 234, 244, 366, 468, 549, 557, 732, 793, 1098, 1114, 1586, 1671, 2196, 2228, 2379, 3172, 3342, 4758, 5013, 6684, 7137, 7241, 9516, 10026, 14274, 14482, 20052, 21723, 28548, 28964, 33977, 43446, 65169, 67954, 86892, 101931, 130338, 135908, 203862, 260676, 305793, 407724, 441701, 611586, 883402, 1223172, 1325103, 1766804, 2650206, 3975309, 5300412, 7950618, 15901236]

約数ペア:

[(1, 15901236), (2, 7950618), (3, 5300412), (4, 3975309), (6, 2650206), (9, 1766804), (12, 1325103), (13, 1223172), (18, 883402), (26, 611586), (36, 441701), (39, 407724), (52, 305793), (61, 260676), (78, 203862), (117, 135908), (122, 130338), (156, 101931), (183, 86892), (234, 67954), (244, 65169), (366, 43446), (468, 33977), (549, 28964), (557, 28548), (732, 21723), (793, 20052), (1098, 14482), (1114, 14274), (1586, 10026), (1671, 9516), (2196, 7241), (2228, 7137), (2379, 6684), (3172, 5013), (3342, 4758)]