61538100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{509}}^1$

素因数の和:570

約数の個数: 144

約数和(自身を含む): 198320640

約数和(自身を除く): 136782540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 31, 39, 50, 52, 60, 62, 65, 75, 78, 93, 100, 124, 130, 150, 155, 156, 186, 195, 260, 300, 310, 325, 372, 390, 403, 465, 509, 620, 650, 775, 780, 806, 930, 975, 1018, 1209, 1300, 1527, 1550, 1612, 1860, 1950, 2015, 2036, 2325, 2418, 2545, 3054, 3100, 3900, 4030, 4650, 4836, 5090, 6045, 6108, 6617, 7635, 8060, 9300, 10075, 10180, 12090, 12725, 13234, 15270, 15779, 19851, 20150, 24180, 25450, 26468, 30225, 30540, 31558, 33085, 38175, 39702, 40300, 47337, 50900, 60450, 63116, 66170, 76350, 78895, 79404, 94674, 99255, 120900, 132340, 152700, 157790, 165425, 189348, 198510, 205127, 236685, 315580, 330850, 394475, 397020, 410254, 473370, 496275, 615381, 661700, 788950, 820508, 946740, 992550, 1025635, 1183425, 1230762, 1577900, 1985100, 2051270, 2366850, 2461524, 3076905, 4102540, 4733700, 5128175, 6153810, 10256350, 12307620, 15384525, 20512700, 30769050, 61538100]

約数ペア:

[(1, 61538100), (2, 30769050), (3, 20512700), (4, 15384525), (5, 12307620), (6, 10256350), (10, 6153810), (12, 5128175), (13, 4733700), (15, 4102540), (20, 3076905), (25, 2461524), (26, 2366850), (30, 2051270), (31, 1985100), (39, 1577900), (50, 1230762), (52, 1183425), (60, 1025635), (62, 992550), (65, 946740), (75, 820508), (78, 788950), (93, 661700), (100, 615381), (124, 496275), (130, 473370), (150, 410254), (155, 397020), (156, 394475), (186, 330850), (195, 315580), (260, 236685), (300, 205127), (310, 198510), (325, 189348), (372, 165425), (390, 157790), (403, 152700), (465, 132340), (509, 120900), (620, 99255), (650, 94674), (775, 79404), (780, 78895), (806, 76350), (930, 66170), (975, 63116), (1018, 60450), (1209, 50900), (1300, 47337), (1527, 40300), (1550, 39702), (1612, 38175), (1860, 33085), (1950, 31558), (2015, 30540), (2036, 30225), (2325, 26468), (2418, 25450), (2545, 24180), (3054, 20150), (3100, 19851), (3900, 15779), (4030, 15270), (4650, 13234), (4836, 12725), (5090, 12090), (6045, 10180), (6108, 10075), (6617, 9300), (7635, 8060)]