842681680

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^2\times {\mathrm{97}}^1\times {\mathrm{113}}^1$

素因数の和:285

約数の個数: 120

約数和(自身を含む): 2063446056

約数和(自身を除く): 1220764376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 97, 113, 124, 155, 194, 226, 248, 310, 388, 452, 485, 496, 565, 620, 776, 904, 961, 970, 1130, 1240, 1552, 1808, 1922, 1940, 2260, 2480, 3007, 3503, 3844, 3880, 4520, 4805, 6014, 7006, 7688, 7760, 9040, 9610, 10961, 12028, 14012, 15035, 15376, 17515, 19220, 21922, 24056, 28024, 30070, 35030, 38440, 43844, 48112, 54805, 56048, 60140, 70060, 76880, 87688, 93217, 108593, 109610, 120280, 140120, 175376, 186434, 217186, 219220, 240560, 280240, 339791, 372868, 434372, 438440, 466085, 542965, 679582, 745736, 868744, 876880, 932170, 1085930, 1359164, 1491472, 1698955, 1737488, 1864340, 2171860, 2718328, 3397910, 3728680, 4343720, 5436656, 6795820, 7457360, 8687440, 10533521, 13591640, 21067042, 27183280, 42134084, 52667605, 84268168, 105335210, 168536336, 210670420, 421340840, 842681680]

約数ペア:

[(1, 842681680), (2, 421340840), (4, 210670420), (5, 168536336), (8, 105335210), (10, 84268168), (16, 52667605), (20, 42134084), (31, 27183280), (40, 21067042), (62, 13591640), (80, 10533521), (97, 8687440), (113, 7457360), (124, 6795820), (155, 5436656), (194, 4343720), (226, 3728680), (248, 3397910), (310, 2718328), (388, 2171860), (452, 1864340), (485, 1737488), (496, 1698955), (565, 1491472), (620, 1359164), (776, 1085930), (904, 932170), (961, 876880), (970, 868744), (1130, 745736), (1240, 679582), (1552, 542965), (1808, 466085), (1922, 438440), (1940, 434372), (2260, 372868), (2480, 339791), (3007, 280240), (3503, 240560), (3844, 219220), (3880, 217186), (4520, 186434), (4805, 175376), (6014, 140120), (7006, 120280), (7688, 109610), (7760, 108593), (9040, 93217), (9610, 87688), (10961, 76880), (12028, 70060), (14012, 60140), (15035, 56048), (15376, 54805), (17515, 48112), (19220, 43844), (21922, 38440), (24056, 35030), (28024, 30070)]