72515580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{19813}}^1$

素因数の和:19886

約数の個数: 48

約数和(自身を含む): 206382624

約数和(自身を除く): 133867044

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 244, 305, 366, 610, 732, 915, 1220, 1830, 3660, 19813, 39626, 59439, 79252, 99065, 118878, 198130, 237756, 297195, 396260, 594390, 1188780, 1208593, 2417186, 3625779, 4834372, 6042965, 7251558, 12085930, 14503116, 18128895, 24171860, 36257790, 72515580]

約数ペア:

[(1, 72515580), (2, 36257790), (3, 24171860), (4, 18128895), (5, 14503116), (6, 12085930), (10, 7251558), (12, 6042965), (15, 4834372), (20, 3625779), (30, 2417186), (60, 1208593), (61, 1188780), (122, 594390), (183, 396260), (244, 297195), (305, 237756), (366, 198130), (610, 118878), (732, 99065), (915, 79252), (1220, 59439), (1830, 39626), (3660, 19813)]