28329560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:177

約数の個数: 128

約数和(自身を含む): 78382080

約数和(自身を除く): 50052520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 53, 56, 70, 83, 92, 106, 115, 140, 161, 166, 184, 212, 230, 265, 280, 322, 332, 371, 415, 424, 460, 530, 581, 644, 664, 742, 805, 830, 920, 1060, 1162, 1219, 1288, 1484, 1610, 1660, 1855, 1909, 2120, 2324, 2438, 2905, 2968, 3220, 3320, 3710, 3818, 4399, 4648, 4876, 5810, 6095, 6440, 7420, 7636, 8533, 8798, 9545, 9752, 11620, 12190, 13363, 14840, 15272, 17066, 17596, 19090, 21995, 23240, 24380, 26726, 30793, 34132, 35192, 38180, 42665, 43990, 48760, 53452, 61586, 66815, 68264, 76360, 85330, 87980, 101177, 106904, 123172, 133630, 153965, 170660, 175960, 202354, 246344, 267260, 307930, 341320, 404708, 505885, 534520, 615860, 708239, 809416, 1011770, 1231720, 1416478, 2023540, 2832956, 3541195, 4047080, 5665912, 7082390, 14164780, 28329560]

約数ペア:

[(1, 28329560), (2, 14164780), (4, 7082390), (5, 5665912), (7, 4047080), (8, 3541195), (10, 2832956), (14, 2023540), (20, 1416478), (23, 1231720), (28, 1011770), (35, 809416), (40, 708239), (46, 615860), (53, 534520), (56, 505885), (70, 404708), (83, 341320), (92, 307930), (106, 267260), (115, 246344), (140, 202354), (161, 175960), (166, 170660), (184, 153965), (212, 133630), (230, 123172), (265, 106904), (280, 101177), (322, 87980), (332, 85330), (371, 76360), (415, 68264), (424, 66815), (460, 61586), (530, 53452), (581, 48760), (644, 43990), (664, 42665), (742, 38180), (805, 35192), (830, 34132), (920, 30793), (1060, 26726), (1162, 24380), (1219, 23240), (1288, 21995), (1484, 19090), (1610, 17596), (1660, 17066), (1855, 15272), (1909, 14840), (2120, 13363), (2324, 12190), (2438, 11620), (2905, 9752), (2968, 9545), (3220, 8798), (3320, 8533), (3710, 7636), (3818, 7420), (4399, 6440), (4648, 6095), (4876, 5810)]