1264343680

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{63727}}^1$

素因数の和:63777

約数の個数: 64

約数和(自身を含む): 3120122880

約数和(自身を除く): 1855779200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2480, 3968, 4960, 9920, 19840, 63727, 127454, 254908, 318635, 509816, 637270, 1019632, 1274540, 1975537, 2039264, 2549080, 3951074, 4078528, 5098160, 7902148, 8157056, 9877685, 10196320, 15804296, 19755370, 20392640, 31608592, 39510740, 40785280, 63217184, 79021480, 126434368, 158042960, 252868736, 316085920, 632171840, 1264343680]

約数ペア:

[(1, 1264343680), (2, 632171840), (4, 316085920), (5, 252868736), (8, 158042960), (10, 126434368), (16, 79021480), (20, 63217184), (31, 40785280), (32, 39510740), (40, 31608592), (62, 20392640), (64, 19755370), (80, 15804296), (124, 10196320), (128, 9877685), (155, 8157056), (160, 7902148), (248, 5098160), (310, 4078528), (320, 3951074), (496, 2549080), (620, 2039264), (640, 1975537), (992, 1274540), (1240, 1019632), (1984, 637270), (2480, 509816), (3968, 318635), (4960, 254908), (9920, 127454), (19840, 63727)]