15978456

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{397}}^1$

素因数の和:465

約数の個数: 96

約数和(自身を含む): 47807760

約数和(自身を除く): 31829304

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 43, 52, 72, 78, 86, 104, 117, 129, 156, 172, 234, 258, 312, 344, 387, 397, 468, 516, 559, 774, 794, 936, 1032, 1118, 1191, 1548, 1588, 1677, 2236, 2382, 3096, 3176, 3354, 3573, 4472, 4764, 5031, 5161, 6708, 7146, 9528, 10062, 10322, 13416, 14292, 15483, 17071, 20124, 20644, 28584, 30966, 34142, 40248, 41288, 46449, 51213, 61932, 68284, 92898, 102426, 123864, 136568, 153639, 185796, 204852, 221923, 307278, 371592, 409704, 443846, 614556, 665769, 887692, 1229112, 1331538, 1775384, 1997307, 2663076, 3994614, 5326152, 7989228, 15978456]

約数ペア:

[(1, 15978456), (2, 7989228), (3, 5326152), (4, 3994614), (6, 2663076), (8, 1997307), (9, 1775384), (12, 1331538), (13, 1229112), (18, 887692), (24, 665769), (26, 614556), (36, 443846), (39, 409704), (43, 371592), (52, 307278), (72, 221923), (78, 204852), (86, 185796), (104, 153639), (117, 136568), (129, 123864), (156, 102426), (172, 92898), (234, 68284), (258, 61932), (312, 51213), (344, 46449), (387, 41288), (397, 40248), (468, 34142), (516, 30966), (559, 28584), (774, 20644), (794, 20124), (936, 17071), (1032, 15483), (1118, 14292), (1191, 13416), (1548, 10322), (1588, 10062), (1677, 9528), (2236, 7146), (2382, 6708), (3096, 5161), (3176, 5031), (3354, 4764), (3573, 4472)]