77398640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{313}}^1$

素因数の和:618

約数の個数: 80

約数和(自身を含む): 197639136

約数和(自身を除く): 120240496

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 281, 313, 440, 562, 626, 880, 1124, 1252, 1405, 1565, 2248, 2504, 2810, 3091, 3130, 3443, 4496, 5008, 5620, 6182, 6260, 6886, 11240, 12364, 12520, 13772, 15455, 17215, 22480, 24728, 25040, 27544, 30910, 34430, 49456, 55088, 61820, 68860, 87953, 123640, 137720, 175906, 247280, 275440, 351812, 439765, 703624, 879530, 967483, 1407248, 1759060, 1934966, 3518120, 3869932, 4837415, 7036240, 7739864, 9674830, 15479728, 19349660, 38699320, 77398640]

約数ペア:

[(1, 77398640), (2, 38699320), (4, 19349660), (5, 15479728), (8, 9674830), (10, 7739864), (11, 7036240), (16, 4837415), (20, 3869932), (22, 3518120), (40, 1934966), (44, 1759060), (55, 1407248), (80, 967483), (88, 879530), (110, 703624), (176, 439765), (220, 351812), (281, 275440), (313, 247280), (440, 175906), (562, 137720), (626, 123640), (880, 87953), (1124, 68860), (1252, 61820), (1405, 55088), (1565, 49456), (2248, 34430), (2504, 30910), (2810, 27544), (3091, 25040), (3130, 24728), (3443, 22480), (4496, 17215), (5008, 15455), (5620, 13772), (6182, 12520), (6260, 12364), (6886, 11240)]