181520248720

素因数分解:

$2^4\times 5^1\times {\mathrm{701}}^1\times {\mathrm{809}}^1\times {\mathrm{4001}}^1$

素因数の和:5524

約数の個数: 80

約数和(自身を含む): 423264806640

約数和(自身を除く): 241744557920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 701, 809, 1402, 1618, 2804, 3236, 3505, 4001, 4045, 5608, 6472, 7010, 8002, 8090, 11216, 12944, 14020, 16004, 16180, 20005, 28040, 32008, 32360, 40010, 56080, 64016, 64720, 80020, 160040, 320080, 567109, 1134218, 2268436, 2804701, 2835545, 3236809, 4536872, 5609402, 5671090, 6473618, 9073744, 11218804, 11342180, 12947236, 14023505, 16184045, 22437608, 22684360, 25894472, 28047010, 32368090, 44875216, 45368720, 51788944, 56094020, 64736180, 112188040, 129472360, 224376080, 258944720, 2269003109, 4538006218, 9076012436, 11345015545, 18152024872, 22690031090, 36304049744, 45380062180, 90760124360, 181520248720]

約数ペア:

[(1, 181520248720), (2, 90760124360), (4, 45380062180), (5, 36304049744), (8, 22690031090), (10, 18152024872), (16, 11345015545), (20, 9076012436), (40, 4538006218), (80, 2269003109), (701, 258944720), (809, 224376080), (1402, 129472360), (1618, 112188040), (2804, 64736180), (3236, 56094020), (3505, 51788944), (4001, 45368720), (4045, 44875216), (5608, 32368090), (6472, 28047010), (7010, 25894472), (8002, 22684360), (8090, 22437608), (11216, 16184045), (12944, 14023505), (14020, 12947236), (16004, 11342180), (16180, 11218804), (20005, 9073744), (28040, 6473618), (32008, 5671090), (32360, 5609402), (40010, 4536872), (56080, 3236809), (64016, 2835545), (64720, 2804701), (80020, 2268436), (160040, 1134218), (320080, 567109)]