154771720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{4967}}^1$

素因数の和:5038

約数の個数: 64

約数和(自身を含む): 375580800

約数和(自身を除く): 220809080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 41, 76, 82, 95, 152, 164, 190, 205, 328, 380, 410, 760, 779, 820, 1558, 1640, 3116, 3895, 4967, 6232, 7790, 9934, 15580, 19868, 24835, 31160, 39736, 49670, 94373, 99340, 188746, 198680, 203647, 377492, 407294, 471865, 754984, 814588, 943730, 1018235, 1629176, 1887460, 2036470, 3774920, 3869293, 4072940, 7738586, 8145880, 15477172, 19346465, 30954344, 38692930, 77385860, 154771720]

約数ペア:

[(1, 154771720), (2, 77385860), (4, 38692930), (5, 30954344), (8, 19346465), (10, 15477172), (19, 8145880), (20, 7738586), (38, 4072940), (40, 3869293), (41, 3774920), (76, 2036470), (82, 1887460), (95, 1629176), (152, 1018235), (164, 943730), (190, 814588), (205, 754984), (328, 471865), (380, 407294), (410, 377492), (760, 203647), (779, 198680), (820, 188746), (1558, 99340), (1640, 94373), (3116, 49670), (3895, 39736), (4967, 31160), (6232, 24835), (7790, 19868), (9934, 15580)]