222832720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{1399}}^1$

素因数の和:1604

約数の個数: 80

約数和(自身を含む): 568713600

約数和(自身を除く): 345880880

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 181, 220, 362, 440, 724, 880, 905, 1399, 1448, 1810, 1991, 2798, 2896, 3620, 3982, 5596, 6995, 7240, 7964, 9955, 11192, 13990, 14480, 15389, 15928, 19910, 22384, 27980, 30778, 31856, 39820, 55960, 61556, 76945, 79640, 111920, 123112, 153890, 159280, 246224, 253219, 307780, 506438, 615560, 1012876, 1231120, 1266095, 2025752, 2532190, 2785409, 4051504, 5064380, 5570818, 10128760, 11141636, 13927045, 20257520, 22283272, 27854090, 44566544, 55708180, 111416360, 222832720]

約数ペア:

[(1, 222832720), (2, 111416360), (4, 55708180), (5, 44566544), (8, 27854090), (10, 22283272), (11, 20257520), (16, 13927045), (20, 11141636), (22, 10128760), (40, 5570818), (44, 5064380), (55, 4051504), (80, 2785409), (88, 2532190), (110, 2025752), (176, 1266095), (181, 1231120), (220, 1012876), (362, 615560), (440, 506438), (724, 307780), (880, 253219), (905, 246224), (1399, 159280), (1448, 153890), (1810, 123112), (1991, 111920), (2798, 79640), (2896, 76945), (3620, 61556), (3982, 55960), (5596, 39820), (6995, 31856), (7240, 30778), (7964, 27980), (9955, 22384), (11192, 19910), (13990, 15928), (14480, 15389)]