129327440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{523}}^1$

素因数の和:828

約数の個数: 80

約数和(自身を含む): 329818176

約数和(自身を除く): 200490736

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 281, 440, 523, 562, 880, 1046, 1124, 1405, 2092, 2248, 2615, 2810, 3091, 4184, 4496, 5230, 5620, 5753, 6182, 8368, 10460, 11240, 11506, 12364, 15455, 20920, 22480, 23012, 24728, 28765, 30910, 41840, 46024, 49456, 57530, 61820, 92048, 115060, 123640, 146963, 230120, 247280, 293926, 460240, 587852, 734815, 1175704, 1469630, 1616593, 2351408, 2939260, 3233186, 5878520, 6466372, 8082965, 11757040, 12932744, 16165930, 25865488, 32331860, 64663720, 129327440]

約数ペア:

[(1, 129327440), (2, 64663720), (4, 32331860), (5, 25865488), (8, 16165930), (10, 12932744), (11, 11757040), (16, 8082965), (20, 6466372), (22, 5878520), (40, 3233186), (44, 2939260), (55, 2351408), (80, 1616593), (88, 1469630), (110, 1175704), (176, 734815), (220, 587852), (281, 460240), (440, 293926), (523, 247280), (562, 230120), (880, 146963), (1046, 123640), (1124, 115060), (1405, 92048), (2092, 61820), (2248, 57530), (2615, 49456), (2810, 46024), (3091, 41840), (4184, 30910), (4496, 28765), (5230, 24728), (5620, 23012), (5753, 22480), (6182, 20920), (8368, 15455), (10460, 12364), (11240, 11506)]