644640

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1$

素因数の和:114

約数の個数: 96

約数和(自身を含む): 2177280

約数和(自身を除く): 1532640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 68, 79, 80, 85, 96, 102, 120, 136, 158, 160, 170, 204, 237, 240, 255, 272, 316, 340, 395, 408, 474, 480, 510, 544, 632, 680, 790, 816, 948, 1020, 1185, 1264, 1343, 1360, 1580, 1632, 1896, 2040, 2370, 2528, 2686, 2720, 3160, 3792, 4029, 4080, 4740, 5372, 6320, 6715, 7584, 8058, 8160, 9480, 10744, 12640, 13430, 16116, 18960, 20145, 21488, 26860, 32232, 37920, 40290, 42976, 53720, 64464, 80580, 107440, 128928, 161160, 214880, 322320, 644640]

約数ペア:

[(1, 644640), (2, 322320), (3, 214880), (4, 161160), (5, 128928), (6, 107440), (8, 80580), (10, 64464), (12, 53720), (15, 42976), (16, 40290), (17, 37920), (20, 32232), (24, 26860), (30, 21488), (32, 20145), (34, 18960), (40, 16116), (48, 13430), (51, 12640), (60, 10744), (68, 9480), (79, 8160), (80, 8058), (85, 7584), (96, 6715), (102, 6320), (120, 5372), (136, 4740), (158, 4080), (160, 4029), (170, 3792), (204, 3160), (237, 2720), (240, 2686), (255, 2528), (272, 2370), (316, 2040), (340, 1896), (395, 1632), (408, 1580), (474, 1360), (480, 1343), (510, 1264), (544, 1185), (632, 1020), (680, 948), (790, 816)]