7721940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:169

約数の個数: 96

約数和(自身を含む): 22974336

約数和(自身を除く): 15252396

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 41, 43, 60, 73, 82, 86, 123, 129, 146, 164, 172, 205, 215, 219, 246, 258, 292, 365, 410, 430, 438, 492, 516, 615, 645, 730, 820, 860, 876, 1095, 1230, 1290, 1460, 1763, 2190, 2460, 2580, 2993, 3139, 3526, 4380, 5289, 5986, 6278, 7052, 8815, 8979, 9417, 10578, 11972, 12556, 14965, 15695, 17630, 17958, 18834, 21156, 26445, 29930, 31390, 35260, 35916, 37668, 44895, 47085, 52890, 59860, 62780, 89790, 94170, 105780, 128699, 179580, 188340, 257398, 386097, 514796, 643495, 772194, 1286990, 1544388, 1930485, 2573980, 3860970, 7721940]

約数ペア:

[(1, 7721940), (2, 3860970), (3, 2573980), (4, 1930485), (5, 1544388), (6, 1286990), (10, 772194), (12, 643495), (15, 514796), (20, 386097), (30, 257398), (41, 188340), (43, 179580), (60, 128699), (73, 105780), (82, 94170), (86, 89790), (123, 62780), (129, 59860), (146, 52890), (164, 47085), (172, 44895), (205, 37668), (215, 35916), (219, 35260), (246, 31390), (258, 29930), (292, 26445), (365, 21156), (410, 18834), (430, 17958), (438, 17630), (492, 15695), (516, 14965), (615, 12556), (645, 11972), (730, 10578), (820, 9417), (860, 8979), (876, 8815), (1095, 7052), (1230, 6278), (1290, 5986), (1460, 5289), (1763, 4380), (2190, 3526), (2460, 3139), (2580, 2993)]