131528460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{313163}}^1$

素因数の和:313182

約数の個数: 48

約数和(自身を含む): 420892416

約数和(自身を除く): 289363956

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, 313163, 626326, 939489, 1252652, 1565815, 1878978, 2192141, 3131630, 3757956, 4384282, 4697445, 6263260, 6576423, 8768564, 9394890, 10960705, 13152846, 18789780, 21921410, 26305692, 32882115, 43842820, 65764230, 131528460]

約数ペア:

[(1, 131528460), (2, 65764230), (3, 43842820), (4, 32882115), (5, 26305692), (6, 21921410), (7, 18789780), (10, 13152846), (12, 10960705), (14, 9394890), (15, 8768564), (20, 6576423), (21, 6263260), (28, 4697445), (30, 4384282), (35, 3757956), (42, 3131630), (60, 2192141), (70, 1878978), (84, 1565815), (105, 1252652), (140, 939489), (210, 626326), (420, 313163)]