131831940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{307}}^1\times {\mathrm{421}}^1$

素因数の和:757

約数の個数: 96

約数和(自身を含む): 393047424

約数和(自身を除く): 261215484

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 307, 340, 421, 510, 614, 842, 921, 1020, 1228, 1263, 1535, 1684, 1842, 2105, 2526, 3070, 3684, 4210, 4605, 5052, 5219, 6140, 6315, 7157, 8420, 9210, 10438, 12630, 14314, 15657, 18420, 20876, 21471, 25260, 26095, 28628, 31314, 35785, 42942, 52190, 62628, 71570, 78285, 85884, 104380, 107355, 129247, 143140, 156570, 214710, 258494, 313140, 387741, 429420, 516988, 646235, 775482, 1292470, 1550964, 1938705, 2197199, 2584940, 3877410, 4394398, 6591597, 7754820, 8788796, 10985995, 13183194, 21971990, 26366388, 32957985, 43943980, 65915970, 131831940]

約数ペア:

[(1, 131831940), (2, 65915970), (3, 43943980), (4, 32957985), (5, 26366388), (6, 21971990), (10, 13183194), (12, 10985995), (15, 8788796), (17, 7754820), (20, 6591597), (30, 4394398), (34, 3877410), (51, 2584940), (60, 2197199), (68, 1938705), (85, 1550964), (102, 1292470), (170, 775482), (204, 646235), (255, 516988), (307, 429420), (340, 387741), (421, 313140), (510, 258494), (614, 214710), (842, 156570), (921, 143140), (1020, 129247), (1228, 107355), (1263, 104380), (1535, 85884), (1684, 78285), (1842, 71570), (2105, 62628), (2526, 52190), (3070, 42942), (3684, 35785), (4210, 31314), (4605, 28628), (5052, 26095), (5219, 25260), (6140, 21471), (6315, 20876), (7157, 18420), (8420, 15657), (9210, 14314), (10438, 12630)]