172612980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{6899}}^1$

素因数の和:7053

約数の個数: 72

約数和(自身を含む): 527436000

約数和(自身を除く): 354823020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 139, 180, 278, 417, 556, 695, 834, 1251, 1390, 1668, 2085, 2502, 2780, 4170, 5004, 6255, 6899, 8340, 12510, 13798, 20697, 25020, 27596, 34495, 41394, 62091, 68990, 82788, 103485, 124182, 137980, 206970, 248364, 310455, 413940, 620910, 958961, 1241820, 1917922, 2876883, 3835844, 4794805, 5753766, 8630649, 9589610, 11507532, 14384415, 17261298, 19179220, 28768830, 34522596, 43153245, 57537660, 86306490, 172612980]

約数ペア:

[(1, 172612980), (2, 86306490), (3, 57537660), (4, 43153245), (5, 34522596), (6, 28768830), (9, 19179220), (10, 17261298), (12, 14384415), (15, 11507532), (18, 9589610), (20, 8630649), (30, 5753766), (36, 4794805), (45, 3835844), (60, 2876883), (90, 1917922), (139, 1241820), (180, 958961), (278, 620910), (417, 413940), (556, 310455), (695, 248364), (834, 206970), (1251, 137980), (1390, 124182), (1668, 103485), (2085, 82788), (2502, 68990), (2780, 62091), (4170, 41394), (5004, 34495), (6255, 27596), (6899, 25020), (8340, 20697), (12510, 13798)]