1807971880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{4001}}^1$

素因数の和:4115

約数の個数: 128

約数和(自身を含む): 4840819200

約数和(自身を除く): 3032847320

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 79, 88, 104, 110, 130, 143, 158, 220, 260, 286, 316, 395, 440, 520, 572, 632, 715, 790, 869, 1027, 1144, 1430, 1580, 1738, 2054, 2860, 3160, 3476, 4001, 4108, 4345, 5135, 5720, 6952, 8002, 8216, 8690, 10270, 11297, 16004, 17380, 20005, 20540, 22594, 32008, 34760, 40010, 41080, 44011, 45188, 52013, 56485, 80020, 88022, 90376, 104026, 112970, 160040, 176044, 208052, 220055, 225940, 260065, 316079, 352088, 416104, 440110, 451880, 520130, 572143, 632158, 880220, 1040260, 1144286, 1264316, 1580395, 1760440, 2080520, 2288572, 2528632, 2860715, 3160790, 3476869, 4109027, 4577144, 5721430, 6321580, 6953738, 8218054, 11442860, 12643160, 13907476, 16436108, 17384345, 20545135, 22885720, 27814952, 32872216, 34768690, 41090270, 45199297, 69537380, 82180540, 90398594, 139074760, 164361080, 180797188, 225996485, 361594376, 451992970, 903985940, 1807971880]

約数ペア:

[(1, 1807971880), (2, 903985940), (4, 451992970), (5, 361594376), (8, 225996485), (10, 180797188), (11, 164361080), (13, 139074760), (20, 90398594), (22, 82180540), (26, 69537380), (40, 45199297), (44, 41090270), (52, 34768690), (55, 32872216), (65, 27814952), (79, 22885720), (88, 20545135), (104, 17384345), (110, 16436108), (130, 13907476), (143, 12643160), (158, 11442860), (220, 8218054), (260, 6953738), (286, 6321580), (316, 5721430), (395, 4577144), (440, 4109027), (520, 3476869), (572, 3160790), (632, 2860715), (715, 2528632), (790, 2288572), (869, 2080520), (1027, 1760440), (1144, 1580395), (1430, 1264316), (1580, 1144286), (1738, 1040260), (2054, 880220), (2860, 632158), (3160, 572143), (3476, 520130), (4001, 451880), (4108, 440110), (4345, 416104), (5135, 352088), (5720, 316079), (6952, 260065), (8002, 225940), (8216, 220055), (8690, 208052), (10270, 176044), (11297, 160040), (16004, 112970), (17380, 104026), (20005, 90376), (20540, 88022), (22594, 80020), (32008, 56485), (34760, 52013), (40010, 45188), (41080, 44011)]