255787920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{355261}}^1$

素因数の和:355280

約数の個数: 60

約数和(自身を含む): 859023516

約数和(自身を除く): 603235596

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 355261, 710522, 1065783, 1421044, 1776305, 2131566, 2842088, 3197349, 3552610, 4263132, 5328915, 5684176, 6394698, 7105220, 8526264, 10657830, 12789396, 14210440, 15986745, 17052528, 21315660, 25578792, 28420880, 31973490, 42631320, 51157584, 63946980, 85262640, 127893960, 255787920]

約数ペア:

[(1, 255787920), (2, 127893960), (3, 85262640), (4, 63946980), (5, 51157584), (6, 42631320), (8, 31973490), (9, 28420880), (10, 25578792), (12, 21315660), (15, 17052528), (16, 15986745), (18, 14210440), (20, 12789396), (24, 10657830), (30, 8526264), (36, 7105220), (40, 6394698), (45, 5684176), (48, 5328915), (60, 4263132), (72, 3552610), (80, 3197349), (90, 2842088), (120, 2131566), (144, 1776305), (180, 1421044), (240, 1065783), (360, 710522), (720, 355261)]