15211140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{36217}}^1$

素因数の和:36236

約数の個数: 48

約数和(自身を含む): 48676992

約数和(自身を除く): 33465852

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 36217, 72434, 108651, 144868, 181085, 217302, 253519, 362170, 434604, 507038, 543255, 724340, 760557, 1014076, 1086510, 1267595, 1521114, 2173020, 2535190, 3042228, 3802785, 5070380, 7605570, 15211140]

約数ペア:

[(1, 15211140), (2, 7605570), (3, 5070380), (4, 3802785), (5, 3042228), (6, 2535190), (7, 2173020), (10, 1521114), (12, 1267595), (14, 1086510), (15, 1014076), (20, 760557), (21, 724340), (28, 543255), (30, 507038), (35, 434604), (42, 362170), (60, 253519), (70, 217302), (84, 181085), (105, 144868), (140, 108651), (210, 72434), (420, 36217)]