28654140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{7829}}^1$

素因数の和:7902

約数の個数: 48

約数和(自身を含む): 81557280

約数和(自身を除く): 52903140

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, 7829, 15658, 23487, 31316, 39145, 46974, 78290, 93948, 117435, 156580, 234870, 469740, 477569, 955138, 1432707, 1910276, 2387845, 2865414, 4775690, 5730828, 7163535, 9551380, 14327070, 28654140]

約数ペア:

[(1, 28654140), (2, 14327070), (3, 9551380), (4, 7163535), (5, 5730828), (6, 4775690), (10, 2865414), (12, 2387845), (15, 1910276), (20, 1432707), (30, 955138), (60, 477569), (61, 469740), (122, 234870), (183, 156580), (244, 117435), (305, 93948), (366, 78290), (610, 46974), (732, 39145), (915, 31316), (1220, 23487), (1830, 15658), (3660, 7829)]