64660440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{229}}^1$

素因数の和:437

約数の個数: 128

約数和(自身を含む): 210974400

約数和(自身を除く): 146313960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 181, 195, 229, 260, 312, 362, 390, 458, 520, 543, 687, 724, 780, 905, 916, 1086, 1145, 1374, 1448, 1560, 1810, 1832, 2172, 2290, 2353, 2715, 2748, 2977, 3435, 3620, 4344, 4580, 4706, 5430, 5496, 5954, 6870, 7059, 7240, 8931, 9160, 9412, 10860, 11765, 11908, 13740, 14118, 14885, 17862, 18824, 21720, 23530, 23816, 27480, 28236, 29770, 35295, 35724, 41449, 44655, 47060, 56472, 59540, 70590, 71448, 82898, 89310, 94120, 119080, 124347, 141180, 165796, 178620, 207245, 248694, 282360, 331592, 357240, 414490, 497388, 538837, 621735, 828980, 994776, 1077674, 1243470, 1616511, 1657960, 2155348, 2486940, 2694185, 3233022, 4310696, 4973880, 5388370, 6466044, 8082555, 10776740, 12932088, 16165110, 21553480, 32330220, 64660440]

約数ペア:

[(1, 64660440), (2, 32330220), (3, 21553480), (4, 16165110), (5, 12932088), (6, 10776740), (8, 8082555), (10, 6466044), (12, 5388370), (13, 4973880), (15, 4310696), (20, 3233022), (24, 2694185), (26, 2486940), (30, 2155348), (39, 1657960), (40, 1616511), (52, 1243470), (60, 1077674), (65, 994776), (78, 828980), (104, 621735), (120, 538837), (130, 497388), (156, 414490), (181, 357240), (195, 331592), (229, 282360), (260, 248694), (312, 207245), (362, 178620), (390, 165796), (458, 141180), (520, 124347), (543, 119080), (687, 94120), (724, 89310), (780, 82898), (905, 71448), (916, 70590), (1086, 59540), (1145, 56472), (1374, 47060), (1448, 44655), (1560, 41449), (1810, 35724), (1832, 35295), (2172, 29770), (2290, 28236), (2353, 27480), (2715, 23816), (2748, 23530), (2977, 21720), (3435, 18824), (3620, 17862), (4344, 14885), (4580, 14118), (4706, 13740), (5430, 11908), (5496, 11765), (5954, 10860), (6870, 9412), (7059, 9160), (7240, 8931)]