30881928

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{983}}^1$

素因数の和:1027

約数の個数: 128

約数和(自身を含む): 102021120

約数和(自身を除く): 71139192

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 17, 21, 22, 24, 28, 33, 34, 42, 44, 51, 56, 66, 68, 77, 84, 88, 102, 119, 132, 136, 154, 168, 187, 204, 231, 238, 264, 308, 357, 374, 408, 462, 476, 561, 616, 714, 748, 924, 952, 983, 1122, 1309, 1428, 1496, 1848, 1966, 2244, 2618, 2856, 2949, 3927, 3932, 4488, 5236, 5898, 6881, 7854, 7864, 10472, 10813, 11796, 13762, 15708, 16711, 20643, 21626, 23592, 27524, 31416, 32439, 33422, 41286, 43252, 50133, 55048, 64878, 66844, 75691, 82572, 86504, 100266, 116977, 129756, 133688, 151382, 165144, 183821, 200532, 227073, 233954, 259512, 302764, 350931, 367642, 401064, 454146, 467908, 551463, 605528, 701862, 735284, 908292, 935816, 1102926, 1286747, 1403724, 1470568, 1816584, 2205852, 2573494, 2807448, 3860241, 4411704, 5146988, 7720482, 10293976, 15440964, 30881928]

約数ペア:

[(1, 30881928), (2, 15440964), (3, 10293976), (4, 7720482), (6, 5146988), (7, 4411704), (8, 3860241), (11, 2807448), (12, 2573494), (14, 2205852), (17, 1816584), (21, 1470568), (22, 1403724), (24, 1286747), (28, 1102926), (33, 935816), (34, 908292), (42, 735284), (44, 701862), (51, 605528), (56, 551463), (66, 467908), (68, 454146), (77, 401064), (84, 367642), (88, 350931), (102, 302764), (119, 259512), (132, 233954), (136, 227073), (154, 200532), (168, 183821), (187, 165144), (204, 151382), (231, 133688), (238, 129756), (264, 116977), (308, 100266), (357, 86504), (374, 82572), (408, 75691), (462, 66844), (476, 64878), (561, 55048), (616, 50133), (714, 43252), (748, 41286), (924, 33422), (952, 32439), (983, 31416), (1122, 27524), (1309, 23592), (1428, 21626), (1496, 20643), (1848, 16711), (1966, 15708), (2244, 13762), (2618, 11796), (2856, 10813), (2949, 10472), (3927, 7864), (3932, 7854), (4488, 6881), (5236, 5898)]