31393560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1399}}^1$

素因数の和:1441

約数の個数: 128

約数和(自身を含む): 108864000

約数和(自身を除く): 77470440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 17, 20, 22, 24, 30, 33, 34, 40, 44, 51, 55, 60, 66, 68, 85, 88, 102, 110, 120, 132, 136, 165, 170, 187, 204, 220, 255, 264, 330, 340, 374, 408, 440, 510, 561, 660, 680, 748, 935, 1020, 1122, 1320, 1399, 1496, 1870, 2040, 2244, 2798, 2805, 3740, 4197, 4488, 5596, 5610, 6995, 7480, 8394, 11192, 11220, 13990, 15389, 16788, 20985, 22440, 23783, 27980, 30778, 33576, 41970, 46167, 47566, 55960, 61556, 71349, 76945, 83940, 92334, 95132, 118915, 123112, 142698, 153890, 167880, 184668, 190264, 230835, 237830, 261613, 285396, 307780, 356745, 369336, 461670, 475660, 523226, 570792, 615560, 713490, 784839, 923340, 951320, 1046452, 1308065, 1426980, 1569678, 1846680, 2092904, 2616130, 2853960, 3139356, 3924195, 5232260, 6278712, 7848390, 10464520, 15696780, 31393560]

約数ペア:

[(1, 31393560), (2, 15696780), (3, 10464520), (4, 7848390), (5, 6278712), (6, 5232260), (8, 3924195), (10, 3139356), (11, 2853960), (12, 2616130), (15, 2092904), (17, 1846680), (20, 1569678), (22, 1426980), (24, 1308065), (30, 1046452), (33, 951320), (34, 923340), (40, 784839), (44, 713490), (51, 615560), (55, 570792), (60, 523226), (66, 475660), (68, 461670), (85, 369336), (88, 356745), (102, 307780), (110, 285396), (120, 261613), (132, 237830), (136, 230835), (165, 190264), (170, 184668), (187, 167880), (204, 153890), (220, 142698), (255, 123112), (264, 118915), (330, 95132), (340, 92334), (374, 83940), (408, 76945), (440, 71349), (510, 61556), (561, 55960), (660, 47566), (680, 46167), (748, 41970), (935, 33576), (1020, 30778), (1122, 27980), (1320, 23783), (1399, 22440), (1496, 20985), (1870, 16788), (2040, 15389), (2244, 13990), (2798, 11220), (2805, 11192), (3740, 8394), (4197, 7480), (4488, 6995), (5596, 5610)]