72223280

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1$

素因数の和:318

約数の個数: 80

約数和(自身を含む): 173426400

約数和(自身を除く): 101203120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 83, 146, 149, 166, 292, 298, 332, 365, 415, 584, 596, 664, 730, 745, 830, 1168, 1192, 1328, 1460, 1490, 1660, 2384, 2920, 2980, 3320, 5840, 5960, 6059, 6640, 10877, 11920, 12118, 12367, 21754, 24236, 24734, 30295, 43508, 48472, 49468, 54385, 60590, 61835, 87016, 96944, 98936, 108770, 121180, 123670, 174032, 197872, 217540, 242360, 247340, 435080, 484720, 494680, 870160, 902791, 989360, 1805582, 3611164, 4513955, 7222328, 9027910, 14444656, 18055820, 36111640, 72223280]

約数ペア:

[(1, 72223280), (2, 36111640), (4, 18055820), (5, 14444656), (8, 9027910), (10, 7222328), (16, 4513955), (20, 3611164), (40, 1805582), (73, 989360), (80, 902791), (83, 870160), (146, 494680), (149, 484720), (166, 435080), (292, 247340), (298, 242360), (332, 217540), (365, 197872), (415, 174032), (584, 123670), (596, 121180), (664, 108770), (730, 98936), (745, 96944), (830, 87016), (1168, 61835), (1192, 60590), (1328, 54385), (1460, 49468), (1490, 48472), (1660, 43508), (2384, 30295), (2920, 24734), (2980, 24236), (3320, 21754), (5840, 12367), (5960, 12118), (6059, 11920), (6640, 10877)]