81689370

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{911}}^1$

素因数の和:996

約数の個数: 96

約数和(自身を含む): 232056576

約数和(自身を除く): 150367206

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 61, 70, 98, 105, 122, 147, 183, 210, 245, 294, 305, 366, 427, 490, 610, 735, 854, 911, 915, 1281, 1470, 1822, 1830, 2135, 2562, 2733, 2989, 4270, 4555, 5466, 5978, 6377, 6405, 8967, 9110, 12754, 12810, 13665, 14945, 17934, 19131, 27330, 29890, 31885, 38262, 44639, 44835, 55571, 63770, 89278, 89670, 95655, 111142, 133917, 166713, 191310, 223195, 267834, 277855, 333426, 388997, 446390, 555710, 669585, 777994, 833565, 1166991, 1339170, 1667130, 1944985, 2333982, 2722979, 3889970, 5445958, 5834955, 8168937, 11669910, 13614895, 16337874, 27229790, 40844685, 81689370]

約数ペア:

[(1, 81689370), (2, 40844685), (3, 27229790), (5, 16337874), (6, 13614895), (7, 11669910), (10, 8168937), (14, 5834955), (15, 5445958), (21, 3889970), (30, 2722979), (35, 2333982), (42, 1944985), (49, 1667130), (61, 1339170), (70, 1166991), (98, 833565), (105, 777994), (122, 669585), (147, 555710), (183, 446390), (210, 388997), (245, 333426), (294, 277855), (305, 267834), (366, 223195), (427, 191310), (490, 166713), (610, 133917), (735, 111142), (854, 95655), (911, 89670), (915, 89278), (1281, 63770), (1470, 55571), (1822, 44835), (1830, 44639), (2135, 38262), (2562, 31885), (2733, 29890), (2989, 27330), (4270, 19131), (4555, 17934), (5466, 14945), (5978, 13665), (6377, 12810), (6405, 12754), (8967, 9110)]