128721480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{18181}}^1$

素因数の和:18254

約数の個数: 64

約数和(自身を含む): 392731200

約数和(自身を除く): 264009720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 59, 60, 118, 120, 177, 236, 295, 354, 472, 590, 708, 885, 1180, 1416, 1770, 2360, 3540, 7080, 18181, 36362, 54543, 72724, 90905, 109086, 145448, 181810, 218172, 272715, 363620, 436344, 545430, 727240, 1072679, 1090860, 2145358, 2181720, 3218037, 4290716, 5363395, 6436074, 8581432, 10726790, 12872148, 16090185, 21453580, 25744296, 32180370, 42907160, 64360740, 128721480]

約数ペア:

[(1, 128721480), (2, 64360740), (3, 42907160), (4, 32180370), (5, 25744296), (6, 21453580), (8, 16090185), (10, 12872148), (12, 10726790), (15, 8581432), (20, 6436074), (24, 5363395), (30, 4290716), (40, 3218037), (59, 2181720), (60, 2145358), (118, 1090860), (120, 1072679), (177, 727240), (236, 545430), (295, 436344), (354, 363620), (472, 272715), (590, 218172), (708, 181810), (885, 145448), (1180, 109086), (1416, 90905), (1770, 72724), (2360, 54543), (3540, 36362), (7080, 18181)]