205508610

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{571}}^1$

素因数の和:661

約数の個数: 128

約数和(自身を含む): 579870720

約数和(自身を除く): 374362110

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 31, 43, 45, 54, 62, 86, 90, 93, 129, 135, 155, 186, 215, 258, 270, 279, 310, 387, 430, 465, 558, 571, 645, 774, 837, 930, 1142, 1161, 1290, 1333, 1395, 1674, 1713, 1935, 2322, 2666, 2790, 2855, 3426, 3870, 3999, 4185, 5139, 5710, 5805, 6665, 7998, 8370, 8565, 10278, 11610, 11997, 13330, 15417, 17130, 17701, 19995, 23994, 24553, 25695, 30834, 35402, 35991, 39990, 49106, 51390, 53103, 59985, 71982, 73659, 77085, 88505, 106206, 119970, 122765, 147318, 154170, 159309, 177010, 179955, 220977, 245530, 265515, 318618, 359910, 368295, 441954, 477927, 531030, 662931, 736590, 761143, 796545, 955854, 1104885, 1325862, 1522286, 1593090, 2209770, 2283429, 2389635, 3314655, 3805715, 4566858, 4779270, 6629310, 6850287, 7611430, 11417145, 13700574, 20550861, 22834290, 34251435, 41101722, 68502870, 102754305, 205508610]

約数ペア:

[(1, 205508610), (2, 102754305), (3, 68502870), (5, 41101722), (6, 34251435), (9, 22834290), (10, 20550861), (15, 13700574), (18, 11417145), (27, 7611430), (30, 6850287), (31, 6629310), (43, 4779270), (45, 4566858), (54, 3805715), (62, 3314655), (86, 2389635), (90, 2283429), (93, 2209770), (129, 1593090), (135, 1522286), (155, 1325862), (186, 1104885), (215, 955854), (258, 796545), (270, 761143), (279, 736590), (310, 662931), (387, 531030), (430, 477927), (465, 441954), (558, 368295), (571, 359910), (645, 318618), (774, 265515), (837, 245530), (930, 220977), (1142, 179955), (1161, 177010), (1290, 159309), (1333, 154170), (1395, 147318), (1674, 122765), (1713, 119970), (1935, 106206), (2322, 88505), (2666, 77085), (2790, 73659), (2855, 71982), (3426, 59985), (3870, 53103), (3999, 51390), (4185, 49106), (5139, 39990), (5710, 35991), (5805, 35402), (6665, 30834), (7998, 25695), (8370, 24553), (8565, 23994), (10278, 19995), (11610, 17701), (11997, 17130), (13330, 15417)]