29757520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:141

約数の個数: 120

約数和(自身を含む): 78423552

約数和(自身を除く): 48666032

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 71, 80, 104, 124, 130, 142, 155, 169, 208, 248, 260, 284, 310, 338, 355, 403, 496, 520, 568, 620, 676, 710, 806, 845, 923, 1040, 1136, 1240, 1352, 1420, 1612, 1690, 1846, 2015, 2201, 2480, 2704, 2840, 3224, 3380, 3692, 4030, 4402, 4615, 5239, 5680, 6448, 6760, 7384, 8060, 8804, 9230, 10478, 11005, 11999, 13520, 14768, 16120, 17608, 18460, 20956, 22010, 23998, 26195, 28613, 32240, 35216, 36920, 41912, 44020, 47996, 52390, 57226, 59995, 73840, 83824, 88040, 95992, 104780, 114452, 119990, 143065, 176080, 191984, 209560, 228904, 239980, 286130, 371969, 419120, 457808, 479960, 572260, 743938, 959920, 1144520, 1487876, 1859845, 2289040, 2975752, 3719690, 5951504, 7439380, 14878760, 29757520]

約数ペア:

[(1, 29757520), (2, 14878760), (4, 7439380), (5, 5951504), (8, 3719690), (10, 2975752), (13, 2289040), (16, 1859845), (20, 1487876), (26, 1144520), (31, 959920), (40, 743938), (52, 572260), (62, 479960), (65, 457808), (71, 419120), (80, 371969), (104, 286130), (124, 239980), (130, 228904), (142, 209560), (155, 191984), (169, 176080), (208, 143065), (248, 119990), (260, 114452), (284, 104780), (310, 95992), (338, 88040), (355, 83824), (403, 73840), (496, 59995), (520, 57226), (568, 52390), (620, 47996), (676, 44020), (710, 41912), (806, 36920), (845, 35216), (923, 32240), (1040, 28613), (1136, 26195), (1240, 23998), (1352, 22010), (1420, 20956), (1612, 18460), (1690, 17608), (1846, 16120), (2015, 14768), (2201, 13520), (2480, 11999), (2704, 11005), (2840, 10478), (3224, 9230), (3380, 8804), (3692, 8060), (4030, 7384), (4402, 6760), (4615, 6448), (5239, 5680)]