121286460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^2\times {\mathrm{401}}^1$

素因数の和:555

約数の個数: 72

約数和(自身を含む): 345311568

約数和(自身を除く): 224025108

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 401, 426, 710, 802, 852, 1065, 1203, 1420, 1604, 2005, 2130, 2406, 4010, 4260, 4812, 5041, 6015, 8020, 10082, 12030, 15123, 20164, 24060, 25205, 28471, 30246, 50410, 56942, 60492, 75615, 85413, 100820, 113884, 142355, 151230, 170826, 284710, 302460, 341652, 427065, 569420, 854130, 1708260, 2021441, 4042882, 6064323, 8085764, 10107205, 12128646, 20214410, 24257292, 30321615, 40428820, 60643230, 121286460]

約数ペア:

[(1, 121286460), (2, 60643230), (3, 40428820), (4, 30321615), (5, 24257292), (6, 20214410), (10, 12128646), (12, 10107205), (15, 8085764), (20, 6064323), (30, 4042882), (60, 2021441), (71, 1708260), (142, 854130), (213, 569420), (284, 427065), (355, 341652), (401, 302460), (426, 284710), (710, 170826), (802, 151230), (852, 142355), (1065, 113884), (1203, 100820), (1420, 85413), (1604, 75615), (2005, 60492), (2130, 56942), (2406, 50410), (4010, 30246), (4260, 28471), (4812, 25205), (5041, 24060), (6015, 20164), (8020, 15123), (10082, 12030)]