381165720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{1499}}^1$

素因数の和:1689

約数の個数: 128

約数和(自身を含む): 1239840000

約数和(自身を除く): 858674280

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, 163, 195, 260, 312, 326, 390, 489, 520, 652, 780, 815, 978, 1304, 1499, 1560, 1630, 1956, 2119, 2445, 2998, 3260, 3912, 4238, 4497, 4890, 5996, 6357, 6520, 7495, 8476, 8994, 9780, 10595, 11992, 12714, 14990, 16952, 17988, 19487, 19560, 21190, 22485, 25428, 29980, 31785, 35976, 38974, 42380, 44970, 50856, 58461, 59960, 63570, 77948, 84760, 89940, 97435, 116922, 127140, 155896, 179880, 194870, 233844, 244337, 254280, 292305, 389740, 467688, 488674, 584610, 733011, 779480, 977348, 1169220, 1221685, 1466022, 1954696, 2338440, 2443370, 2932044, 3176381, 3665055, 4886740, 5864088, 6352762, 7330110, 9529143, 9773480, 12705524, 14660220, 15881905, 19058286, 25411048, 29320440, 31763810, 38116572, 47645715, 63527620, 76233144, 95291430, 127055240, 190582860, 381165720]

約数ペア:

[(1, 381165720), (2, 190582860), (3, 127055240), (4, 95291430), (5, 76233144), (6, 63527620), (8, 47645715), (10, 38116572), (12, 31763810), (13, 29320440), (15, 25411048), (20, 19058286), (24, 15881905), (26, 14660220), (30, 12705524), (39, 9773480), (40, 9529143), (52, 7330110), (60, 6352762), (65, 5864088), (78, 4886740), (104, 3665055), (120, 3176381), (130, 2932044), (156, 2443370), (163, 2338440), (195, 1954696), (260, 1466022), (312, 1221685), (326, 1169220), (390, 977348), (489, 779480), (520, 733011), (652, 584610), (780, 488674), (815, 467688), (978, 389740), (1304, 292305), (1499, 254280), (1560, 244337), (1630, 233844), (1956, 194870), (2119, 179880), (2445, 155896), (2998, 127140), (3260, 116922), (3912, 97435), (4238, 89940), (4497, 84760), (4890, 77948), (5996, 63570), (6357, 59960), (6520, 58461), (7495, 50856), (8476, 44970), (8994, 42380), (9780, 38974), (10595, 35976), (11992, 31785), (12714, 29980), (14990, 25428), (16952, 22485), (17988, 21190), (19487, 19560)]