15555490

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:215

約数の個数: 48

約数和(自身を含む): 30723840

約数和(自身を除く): 15168350

約数列:

[1, 2, 5, 10, 19, 31, 38, 62, 95, 139, 155, 190, 278, 310, 361, 589, 695, 722, 1178, 1390, 1805, 2641, 2945, 3610, 4309, 5282, 5890, 8618, 11191, 13205, 21545, 22382, 26410, 43090, 50179, 55955, 81871, 100358, 111910, 163742, 250895, 409355, 501790, 818710, 1555549, 3111098, 7777745, 15555490]

約数ペア:

[(1, 15555490), (2, 7777745), (5, 3111098), (10, 1555549), (19, 818710), (31, 501790), (38, 409355), (62, 250895), (95, 163742), (139, 111910), (155, 100358), (190, 81871), (278, 55955), (310, 50179), (361, 43090), (589, 26410), (695, 22382), (722, 21545), (1178, 13205), (1390, 11191), (1805, 8618), (2641, 5890), (2945, 5282), (3610, 4309)]