1228086840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{449}}^1\times {\mathrm{991}}^1$

素因数の和:1477

約数の個数: 128

約数和(自身を含む): 3856896000

約数和(自身を除く): 2628809160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 449, 460, 552, 690, 898, 920, 991, 1347, 1380, 1796, 1982, 2245, 2694, 2760, 2973, 3592, 3964, 4490, 4955, 5388, 5946, 6735, 7928, 8980, 9910, 10327, 10776, 11892, 13470, 14865, 17960, 19820, 20654, 22793, 23784, 26940, 29730, 30981, 39640, 41308, 45586, 51635, 53880, 59460, 61962, 68379, 82616, 91172, 103270, 113965, 118920, 123924, 136758, 154905, 182344, 206540, 227930, 247848, 273516, 309810, 341895, 413080, 444959, 455860, 547032, 619620, 683790, 889918, 911720, 1239240, 1334877, 1367580, 1779836, 2224795, 2669754, 2735160, 3559672, 4449590, 5339508, 6674385, 8899180, 10234057, 10679016, 13348770, 17798360, 20468114, 26697540, 30702171, 40936228, 51170285, 53395080, 61404342, 81872456, 102340570, 122808684, 153510855, 204681140, 245617368, 307021710, 409362280, 614043420, 1228086840]

約数ペア:

[(1, 1228086840), (2, 614043420), (3, 409362280), (4, 307021710), (5, 245617368), (6, 204681140), (8, 153510855), (10, 122808684), (12, 102340570), (15, 81872456), (20, 61404342), (23, 53395080), (24, 51170285), (30, 40936228), (40, 30702171), (46, 26697540), (60, 20468114), (69, 17798360), (92, 13348770), (115, 10679016), (120, 10234057), (138, 8899180), (184, 6674385), (230, 5339508), (276, 4449590), (345, 3559672), (449, 2735160), (460, 2669754), (552, 2224795), (690, 1779836), (898, 1367580), (920, 1334877), (991, 1239240), (1347, 911720), (1380, 889918), (1796, 683790), (1982, 619620), (2245, 547032), (2694, 455860), (2760, 444959), (2973, 413080), (3592, 341895), (3964, 309810), (4490, 273516), (4955, 247848), (5388, 227930), (5946, 206540), (6735, 182344), (7928, 154905), (8980, 136758), (9910, 123924), (10327, 118920), (10776, 113965), (11892, 103270), (13470, 91172), (14865, 82616), (17960, 68379), (19820, 61962), (20654, 59460), (22793, 53880), (23784, 51635), (26940, 45586), (29730, 41308), (30981, 39640)]