27780090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1$

素因数の和:228

約数の個数: 128

約数和(自身を含む): 79349760

約数和(自身を除く): 51569670

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 19, 23, 26, 30, 38, 39, 46, 57, 65, 69, 78, 95, 114, 115, 130, 138, 163, 190, 195, 230, 247, 285, 299, 326, 345, 390, 437, 489, 494, 570, 598, 690, 741, 815, 874, 897, 978, 1235, 1311, 1482, 1495, 1630, 1794, 2119, 2185, 2445, 2470, 2622, 2990, 3097, 3705, 3749, 4238, 4370, 4485, 4890, 5681, 6194, 6357, 6555, 7410, 7498, 8970, 9291, 10595, 11247, 11362, 12714, 13110, 15485, 17043, 18582, 18745, 21190, 22494, 28405, 30970, 31785, 34086, 37490, 40261, 46455, 48737, 56235, 56810, 63570, 71231, 80522, 85215, 92910, 97474, 112470, 120783, 142462, 146211, 170430, 201305, 213693, 241566, 243685, 292422, 356155, 402610, 427386, 487370, 603915, 712310, 731055, 926003, 1068465, 1207830, 1462110, 1852006, 2136930, 2778009, 4630015, 5556018, 9260030, 13890045, 27780090]

約数ペア:

[(1, 27780090), (2, 13890045), (3, 9260030), (5, 5556018), (6, 4630015), (10, 2778009), (13, 2136930), (15, 1852006), (19, 1462110), (23, 1207830), (26, 1068465), (30, 926003), (38, 731055), (39, 712310), (46, 603915), (57, 487370), (65, 427386), (69, 402610), (78, 356155), (95, 292422), (114, 243685), (115, 241566), (130, 213693), (138, 201305), (163, 170430), (190, 146211), (195, 142462), (230, 120783), (247, 112470), (285, 97474), (299, 92910), (326, 85215), (345, 80522), (390, 71231), (437, 63570), (489, 56810), (494, 56235), (570, 48737), (598, 46455), (690, 40261), (741, 37490), (815, 34086), (874, 31785), (897, 30970), (978, 28405), (1235, 22494), (1311, 21190), (1482, 18745), (1495, 18582), (1630, 17043), (1794, 15485), (2119, 13110), (2185, 12714), (2445, 11362), (2470, 11247), (2622, 10595), (2990, 9291), (3097, 8970), (3705, 7498), (3749, 7410), (4238, 6555), (4370, 6357), (4485, 6194), (4890, 5681)]