25478460

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{277}}^1$

素因数の和:372

約数の個数: 144

約数和(自身を含む): 89858496

約数和(自身を除く): 64380036

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 73, 84, 90, 105, 126, 140, 146, 180, 210, 219, 252, 277, 292, 315, 365, 420, 438, 511, 554, 630, 657, 730, 831, 876, 1022, 1095, 1108, 1260, 1314, 1385, 1460, 1533, 1662, 1939, 2044, 2190, 2493, 2555, 2628, 2770, 3066, 3285, 3324, 3878, 4155, 4380, 4599, 4986, 5110, 5540, 5817, 6132, 6570, 7665, 7756, 8310, 9198, 9695, 9972, 10220, 11634, 12465, 13140, 15330, 16620, 17451, 18396, 19390, 20221, 22995, 23268, 24930, 29085, 30660, 34902, 38780, 40442, 45990, 49860, 58170, 60663, 69804, 80884, 87255, 91980, 101105, 116340, 121326, 141547, 174510, 181989, 202210, 242652, 283094, 303315, 349020, 363978, 404420, 424641, 566188, 606630, 707735, 727956, 849282, 909945, 1213260, 1273923, 1415470, 1698564, 1819890, 2123205, 2547846, 2830940, 3639780, 4246410, 5095692, 6369615, 8492820, 12739230, 25478460]

約数ペア:

[(1, 25478460), (2, 12739230), (3, 8492820), (4, 6369615), (5, 5095692), (6, 4246410), (7, 3639780), (9, 2830940), (10, 2547846), (12, 2123205), (14, 1819890), (15, 1698564), (18, 1415470), (20, 1273923), (21, 1213260), (28, 909945), (30, 849282), (35, 727956), (36, 707735), (42, 606630), (45, 566188), (60, 424641), (63, 404420), (70, 363978), (73, 349020), (84, 303315), (90, 283094), (105, 242652), (126, 202210), (140, 181989), (146, 174510), (180, 141547), (210, 121326), (219, 116340), (252, 101105), (277, 91980), (292, 87255), (315, 80884), (365, 69804), (420, 60663), (438, 58170), (511, 49860), (554, 45990), (630, 40442), (657, 38780), (730, 34902), (831, 30660), (876, 29085), (1022, 24930), (1095, 23268), (1108, 22995), (1260, 20221), (1314, 19390), (1385, 18396), (1460, 17451), (1533, 16620), (1662, 15330), (1939, 13140), (2044, 12465), (2190, 11634), (2493, 10220), (2555, 9972), (2628, 9695), (2770, 9198), (3066, 8310), (3285, 7756), (3324, 7665), (3878, 6570), (4155, 6132), (4380, 5817), (4599, 5540), (4986, 5110)]