258723540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{277}}^1\times {\mathrm{5189}}^1$

素因数の和:5481

約数の個数: 72

約数和(自身を含む): 787779720

約数和(自身を除く): 529056180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 277, 554, 831, 1108, 1385, 1662, 2493, 2770, 3324, 4155, 4986, 5189, 5540, 8310, 9972, 10378, 12465, 15567, 16620, 20756, 24930, 25945, 31134, 46701, 49860, 51890, 62268, 77835, 93402, 103780, 155670, 186804, 233505, 311340, 467010, 934020, 1437353, 2874706, 4312059, 5749412, 7186765, 8624118, 12936177, 14373530, 17248236, 21560295, 25872354, 28747060, 43120590, 51744708, 64680885, 86241180, 129361770, 258723540]

約数ペア:

[(1, 258723540), (2, 129361770), (3, 86241180), (4, 64680885), (5, 51744708), (6, 43120590), (9, 28747060), (10, 25872354), (12, 21560295), (15, 17248236), (18, 14373530), (20, 12936177), (30, 8624118), (36, 7186765), (45, 5749412), (60, 4312059), (90, 2874706), (180, 1437353), (277, 934020), (554, 467010), (831, 311340), (1108, 233505), (1385, 186804), (1662, 155670), (2493, 103780), (2770, 93402), (3324, 77835), (4155, 62268), (4986, 51890), (5189, 49860), (5540, 46701), (8310, 31134), (9972, 25945), (10378, 24930), (12465, 20756), (15567, 16620)]