1817790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:161

約数の個数: 64

約数和(自身を含む): 4838400

約数和(自身を除く): 3020610

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 59, 65, 78, 79, 118, 130, 158, 177, 195, 237, 295, 354, 390, 395, 474, 590, 767, 790, 885, 1027, 1185, 1534, 1770, 2054, 2301, 2370, 3081, 3835, 4602, 4661, 5135, 6162, 7670, 9322, 10270, 11505, 13983, 15405, 23010, 23305, 27966, 30810, 46610, 60593, 69915, 121186, 139830, 181779, 302965, 363558, 605930, 908895, 1817790]

約数ペア:

[(1, 1817790), (2, 908895), (3, 605930), (5, 363558), (6, 302965), (10, 181779), (13, 139830), (15, 121186), (26, 69915), (30, 60593), (39, 46610), (59, 30810), (65, 27966), (78, 23305), (79, 23010), (118, 15405), (130, 13983), (158, 11505), (177, 10270), (195, 9322), (237, 7670), (295, 6162), (354, 5135), (390, 4661), (395, 4602), (474, 3835), (590, 3081), (767, 2370), (790, 2301), (885, 2054), (1027, 1770), (1185, 1534)]