204645960

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{9973}}^1$

素因数の和:10012

約数の個数: 128

約数和(自身を含む): 718128000

約数和(自身を除く): 513482040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 90, 95, 108, 114, 120, 135, 152, 171, 180, 190, 216, 228, 270, 285, 342, 360, 380, 456, 513, 540, 570, 684, 760, 855, 1026, 1080, 1140, 1368, 1710, 2052, 2280, 2565, 3420, 4104, 5130, 6840, 9973, 10260, 19946, 20520, 29919, 39892, 49865, 59838, 79784, 89757, 99730, 119676, 149595, 179514, 189487, 199460, 239352, 269271, 299190, 359028, 378974, 398920, 448785, 538542, 568461, 598380, 718056, 757948, 897570, 947435, 1077084, 1136922, 1196760, 1346355, 1515896, 1705383, 1795140, 1894870, 2154168, 2273844, 2692710, 2842305, 3410766, 3590280, 3789740, 4547688, 5116149, 5385420, 5684610, 6821532, 7579480, 8526915, 10232298, 10770840, 11369220, 13643064, 17053830, 20464596, 22738440, 25580745, 34107660, 40929192, 51161490, 68215320, 102322980, 204645960]

約数ペア:

[(1, 204645960), (2, 102322980), (3, 68215320), (4, 51161490), (5, 40929192), (6, 34107660), (8, 25580745), (9, 22738440), (10, 20464596), (12, 17053830), (15, 13643064), (18, 11369220), (19, 10770840), (20, 10232298), (24, 8526915), (27, 7579480), (30, 6821532), (36, 5684610), (38, 5385420), (40, 5116149), (45, 4547688), (54, 3789740), (57, 3590280), (60, 3410766), (72, 2842305), (76, 2692710), (90, 2273844), (95, 2154168), (108, 1894870), (114, 1795140), (120, 1705383), (135, 1515896), (152, 1346355), (171, 1196760), (180, 1136922), (190, 1077084), (216, 947435), (228, 897570), (270, 757948), (285, 718056), (342, 598380), (360, 568461), (380, 538542), (456, 448785), (513, 398920), (540, 378974), (570, 359028), (684, 299190), (760, 269271), (855, 239352), (1026, 199460), (1080, 189487), (1140, 179514), (1368, 149595), (1710, 119676), (2052, 99730), (2280, 89757), (2565, 79784), (3420, 59838), (4104, 49865), (5130, 39892), (6840, 29919), (9973, 20520), (10260, 19946)]