42730480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{227}}^1$

素因数の和:434

約数の個数: 80

約数和(自身を含む): 108055584

約数和(自身を除く): 65325104

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 181, 208, 227, 260, 362, 454, 520, 724, 905, 908, 1040, 1135, 1448, 1810, 1816, 2270, 2353, 2896, 2951, 3620, 3632, 4540, 4706, 5902, 7240, 9080, 9412, 11765, 11804, 14480, 14755, 18160, 18824, 23530, 23608, 29510, 37648, 41087, 47060, 47216, 59020, 82174, 94120, 118040, 164348, 188240, 205435, 236080, 328696, 410870, 534131, 657392, 821740, 1068262, 1643480, 2136524, 2670655, 3286960, 4273048, 5341310, 8546096, 10682620, 21365240, 42730480]

約数ペア:

[(1, 42730480), (2, 21365240), (4, 10682620), (5, 8546096), (8, 5341310), (10, 4273048), (13, 3286960), (16, 2670655), (20, 2136524), (26, 1643480), (40, 1068262), (52, 821740), (65, 657392), (80, 534131), (104, 410870), (130, 328696), (181, 236080), (208, 205435), (227, 188240), (260, 164348), (362, 118040), (454, 94120), (520, 82174), (724, 59020), (905, 47216), (908, 47060), (1040, 41087), (1135, 37648), (1448, 29510), (1810, 23608), (1816, 23530), (2270, 18824), (2353, 18160), (2896, 14755), (2951, 14480), (3620, 11804), (3632, 11765), (4540, 9412), (4706, 9080), (5902, 7240)]