84639660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{28789}}^1$

素因数の和:28815

約数の個数: 72

約数和(自身を含む): 275693040

約数和(自身を除く): 191053380

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 28789, 57578, 86367, 115156, 143945, 172734, 201523, 287890, 345468, 403046, 431835, 575780, 604569, 806092, 863670, 1007615, 1209138, 1410661, 1727340, 2015230, 2418276, 2821322, 3022845, 4030460, 4231983, 5642644, 6045690, 7053305, 8463966, 12091380, 14106610, 16927932, 21159915, 28213220, 42319830, 84639660]

約数ペア:

[(1, 84639660), (2, 42319830), (3, 28213220), (4, 21159915), (5, 16927932), (6, 14106610), (7, 12091380), (10, 8463966), (12, 7053305), (14, 6045690), (15, 5642644), (20, 4231983), (21, 4030460), (28, 3022845), (30, 2821322), (35, 2418276), (42, 2015230), (49, 1727340), (60, 1410661), (70, 1209138), (84, 1007615), (98, 863670), (105, 806092), (140, 604569), (147, 575780), (196, 431835), (210, 403046), (245, 345468), (294, 287890), (420, 201523), (490, 172734), (588, 143945), (735, 115156), (980, 86367), (1470, 57578), (2940, 28789)]