15642972

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1$

素因数の和:279

約数の個数: 72

約数和(自身を含む): 41513472

約数和(自身を除く): 25870500

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 107, 124, 131, 186, 214, 262, 279, 321, 372, 393, 428, 524, 558, 642, 786, 963, 1116, 1179, 1284, 1572, 1926, 2358, 3317, 3852, 4061, 4716, 6634, 8122, 9951, 12183, 13268, 14017, 16244, 19902, 24366, 28034, 29853, 36549, 39804, 42051, 48732, 56068, 59706, 73098, 84102, 119412, 126153, 146196, 168204, 252306, 434527, 504612, 869054, 1303581, 1738108, 2607162, 3910743, 5214324, 7821486, 15642972]

約数ペア:

[(1, 15642972), (2, 7821486), (3, 5214324), (4, 3910743), (6, 2607162), (9, 1738108), (12, 1303581), (18, 869054), (31, 504612), (36, 434527), (62, 252306), (93, 168204), (107, 146196), (124, 126153), (131, 119412), (186, 84102), (214, 73098), (262, 59706), (279, 56068), (321, 48732), (372, 42051), (393, 39804), (428, 36549), (524, 29853), (558, 28034), (642, 24366), (786, 19902), (963, 16244), (1116, 14017), (1179, 13268), (1284, 12183), (1572, 9951), (1926, 8122), (2358, 6634), (3317, 4716), (3852, 4061)]