131151520

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{227}}^1$

素因数の和:422

約数の個数: 96

約数和(自身を含む): 326809728

約数和(自身を除く): 195658208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 80, 92, 115, 157, 160, 184, 227, 230, 314, 368, 454, 460, 628, 736, 785, 908, 920, 1135, 1256, 1570, 1816, 1840, 2270, 2512, 3140, 3611, 3632, 3680, 4540, 5024, 5221, 6280, 7222, 7264, 9080, 10442, 12560, 14444, 18055, 18160, 20884, 25120, 26105, 28888, 35639, 36110, 36320, 41768, 52210, 57776, 71278, 72220, 83536, 104420, 115552, 142556, 144440, 167072, 178195, 208840, 285112, 288880, 356390, 417680, 570224, 577760, 712780, 819697, 835360, 1140448, 1425560, 1639394, 2851120, 3278788, 4098485, 5702240, 6557576, 8196970, 13115152, 16393940, 26230304, 32787880, 65575760, 131151520]

約数ペア:

[(1, 131151520), (2, 65575760), (4, 32787880), (5, 26230304), (8, 16393940), (10, 13115152), (16, 8196970), (20, 6557576), (23, 5702240), (32, 4098485), (40, 3278788), (46, 2851120), (80, 1639394), (92, 1425560), (115, 1140448), (157, 835360), (160, 819697), (184, 712780), (227, 577760), (230, 570224), (314, 417680), (368, 356390), (454, 288880), (460, 285112), (628, 208840), (736, 178195), (785, 167072), (908, 144440), (920, 142556), (1135, 115552), (1256, 104420), (1570, 83536), (1816, 72220), (1840, 71278), (2270, 57776), (2512, 52210), (3140, 41768), (3611, 36320), (3632, 36110), (3680, 35639), (4540, 28888), (5024, 26105), (5221, 25120), (6280, 20884), (7222, 18160), (7264, 18055), (9080, 14444), (10442, 12560)]