261952380

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1667}}^1$

素因数の和:1785

約数の個数: 120

約数和(自身を含む): 830724048

約数和(自身を除く): 568771668

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 97, 108, 135, 162, 180, 194, 270, 291, 324, 388, 405, 485, 540, 582, 810, 873, 970, 1164, 1455, 1620, 1667, 1746, 1940, 2619, 2910, 3334, 3492, 4365, 5001, 5238, 5820, 6668, 7857, 8335, 8730, 10002, 10476, 13095, 15003, 15714, 16670, 17460, 20004, 25005, 26190, 30006, 31428, 33340, 39285, 45009, 50010, 52380, 60012, 75015, 78570, 90018, 100020, 135027, 150030, 157140, 161699, 180036, 225045, 270054, 300060, 323398, 450090, 485097, 540108, 646796, 675135, 808495, 900180, 970194, 1350270, 1455291, 1616990, 1940388, 2425485, 2700540, 2910582, 3233980, 4365873, 4850970, 5821164, 7276455, 8731746, 9701940, 13097619, 14552910, 17463492, 21829365, 26195238, 29105820, 43658730, 52390476, 65488095, 87317460, 130976190, 261952380]

約数ペア:

[(1, 261952380), (2, 130976190), (3, 87317460), (4, 65488095), (5, 52390476), (6, 43658730), (9, 29105820), (10, 26195238), (12, 21829365), (15, 17463492), (18, 14552910), (20, 13097619), (27, 9701940), (30, 8731746), (36, 7276455), (45, 5821164), (54, 4850970), (60, 4365873), (81, 3233980), (90, 2910582), (97, 2700540), (108, 2425485), (135, 1940388), (162, 1616990), (180, 1455291), (194, 1350270), (270, 970194), (291, 900180), (324, 808495), (388, 675135), (405, 646796), (485, 540108), (540, 485097), (582, 450090), (810, 323398), (873, 300060), (970, 270054), (1164, 225045), (1455, 180036), (1620, 161699), (1667, 157140), (1746, 150030), (1940, 135027), (2619, 100020), (2910, 90018), (3334, 78570), (3492, 75015), (4365, 60012), (5001, 52380), (5238, 50010), (5820, 45009), (6668, 39285), (7857, 33340), (8335, 31428), (8730, 30006), (10002, 26190), (10476, 25005), (13095, 20004), (15003, 17460), (15714, 16670)]