30771320

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{647}}^1$

素因数の和:728

約数の個数: 64

約数和(自身を含む): 73483200

約数和(自身を除く): 42711880

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 41, 58, 82, 116, 145, 164, 205, 232, 290, 328, 410, 580, 647, 820, 1160, 1189, 1294, 1640, 2378, 2588, 3235, 4756, 5176, 5945, 6470, 9512, 11890, 12940, 18763, 23780, 25880, 26527, 37526, 47560, 53054, 75052, 93815, 106108, 132635, 150104, 187630, 212216, 265270, 375260, 530540, 750520, 769283, 1061080, 1538566, 3077132, 3846415, 6154264, 7692830, 15385660, 30771320]

約数ペア:

[(1, 30771320), (2, 15385660), (4, 7692830), (5, 6154264), (8, 3846415), (10, 3077132), (20, 1538566), (29, 1061080), (40, 769283), (41, 750520), (58, 530540), (82, 375260), (116, 265270), (145, 212216), (164, 187630), (205, 150104), (232, 132635), (290, 106108), (328, 93815), (410, 75052), (580, 53054), (647, 47560), (820, 37526), (1160, 26527), (1189, 25880), (1294, 23780), (1640, 18763), (2378, 12940), (2588, 11890), (3235, 9512), (4756, 6470), (5176, 5945)]