649730760

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{9791}}^1$

素因数の和:9891

約数の個数: 128

約数和(自身を含む): 2256076800

約数和(自身を除く): 1606346040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 79, 84, 105, 120, 140, 158, 168, 210, 237, 280, 316, 395, 420, 474, 553, 632, 790, 840, 948, 1106, 1185, 1580, 1659, 1896, 2212, 2370, 2765, 3160, 3318, 4424, 4740, 5530, 6636, 8295, 9480, 9791, 11060, 13272, 16590, 19582, 22120, 29373, 33180, 39164, 48955, 58746, 66360, 68537, 78328, 97910, 117492, 137074, 146865, 195820, 205611, 234984, 274148, 293730, 342685, 391640, 411222, 548296, 587460, 685370, 773489, 822444, 1028055, 1174920, 1370740, 1546978, 1644888, 2056110, 2320467, 2741480, 3093956, 3867445, 4112220, 4640934, 5414423, 6187912, 7734890, 8224440, 9281868, 10828846, 11602335, 15469780, 16243269, 18563736, 21657692, 23204670, 27072115, 30939560, 32486538, 43315384, 46409340, 54144230, 64973076, 81216345, 92818680, 108288460, 129946152, 162432690, 216576920, 324865380, 649730760]

約数ペア:

[(1, 649730760), (2, 324865380), (3, 216576920), (4, 162432690), (5, 129946152), (6, 108288460), (7, 92818680), (8, 81216345), (10, 64973076), (12, 54144230), (14, 46409340), (15, 43315384), (20, 32486538), (21, 30939560), (24, 27072115), (28, 23204670), (30, 21657692), (35, 18563736), (40, 16243269), (42, 15469780), (56, 11602335), (60, 10828846), (70, 9281868), (79, 8224440), (84, 7734890), (105, 6187912), (120, 5414423), (140, 4640934), (158, 4112220), (168, 3867445), (210, 3093956), (237, 2741480), (280, 2320467), (316, 2056110), (395, 1644888), (420, 1546978), (474, 1370740), (553, 1174920), (632, 1028055), (790, 822444), (840, 773489), (948, 685370), (1106, 587460), (1185, 548296), (1580, 411222), (1659, 391640), (1896, 342685), (2212, 293730), (2370, 274148), (2765, 234984), (3160, 205611), (3318, 195820), (4424, 146865), (4740, 137074), (5530, 117492), (6636, 97910), (8295, 78328), (9480, 68537), (9791, 66360), (11060, 58746), (13272, 48955), (16590, 39164), (19582, 33180), (22120, 29373)]