15850980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{823}}^1$

素因数の和:945

約数の個数: 72

約数和(自身を含む): 48589632

約数和(自身を除く): 32738652

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 107, 180, 214, 321, 428, 535, 642, 823, 963, 1070, 1284, 1605, 1646, 1926, 2140, 2469, 3210, 3292, 3852, 4115, 4815, 4938, 6420, 7407, 8230, 9630, 9876, 12345, 14814, 16460, 19260, 24690, 29628, 37035, 49380, 74070, 88061, 148140, 176122, 264183, 352244, 440305, 528366, 792549, 880610, 1056732, 1320915, 1585098, 1761220, 2641830, 3170196, 3962745, 5283660, 7925490, 15850980]

約数ペア:

[(1, 15850980), (2, 7925490), (3, 5283660), (4, 3962745), (5, 3170196), (6, 2641830), (9, 1761220), (10, 1585098), (12, 1320915), (15, 1056732), (18, 880610), (20, 792549), (30, 528366), (36, 440305), (45, 352244), (60, 264183), (90, 176122), (107, 148140), (180, 88061), (214, 74070), (321, 49380), (428, 37035), (535, 29628), (642, 24690), (823, 19260), (963, 16460), (1070, 14814), (1284, 12345), (1605, 9876), (1646, 9630), (1926, 8230), (2140, 7407), (2469, 6420), (3210, 4938), (3292, 4815), (3852, 4115)]