66144720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1399}}^1$

素因数の和:1612

約数の個数: 80

約数和(自身を含む): 206236800

約数和(自身を除く): 140092080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 197, 240, 394, 591, 788, 985, 1182, 1399, 1576, 1970, 2364, 2798, 2955, 3152, 3940, 4197, 4728, 5596, 5910, 6995, 7880, 8394, 9456, 11192, 11820, 13990, 15760, 16788, 20985, 22384, 23640, 27980, 33576, 41970, 47280, 55960, 67152, 83940, 111920, 167880, 275603, 335760, 551206, 826809, 1102412, 1378015, 1653618, 2204824, 2756030, 3307236, 4134045, 4409648, 5512060, 6614472, 8268090, 11024120, 13228944, 16536180, 22048240, 33072360, 66144720]

約数ペア:

[(1, 66144720), (2, 33072360), (3, 22048240), (4, 16536180), (5, 13228944), (6, 11024120), (8, 8268090), (10, 6614472), (12, 5512060), (15, 4409648), (16, 4134045), (20, 3307236), (24, 2756030), (30, 2204824), (40, 1653618), (48, 1378015), (60, 1102412), (80, 826809), (120, 551206), (197, 335760), (240, 275603), (394, 167880), (591, 111920), (788, 83940), (985, 67152), (1182, 55960), (1399, 47280), (1576, 41970), (1970, 33576), (2364, 27980), (2798, 23640), (2955, 22384), (3152, 20985), (3940, 16788), (4197, 15760), (4728, 13990), (5596, 11820), (5910, 11192), (6995, 9456), (7880, 8394)]