81900630

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1831}}^1$

素因数の和:1922

約数の個数: 96

約数和(自身を含む): 246924288

約数和(自身を除く): 165023658

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 71, 90, 105, 126, 142, 210, 213, 315, 355, 426, 497, 630, 639, 710, 994, 1065, 1278, 1491, 1831, 2130, 2485, 2982, 3195, 3662, 4473, 4970, 5493, 6390, 7455, 8946, 9155, 10986, 12817, 14910, 16479, 18310, 22365, 25634, 27465, 32958, 38451, 44730, 54930, 64085, 76902, 82395, 115353, 128170, 130001, 164790, 192255, 230706, 260002, 384510, 390003, 576765, 650005, 780006, 910007, 1153530, 1170009, 1300010, 1820014, 1950015, 2340018, 2730021, 3900030, 4550035, 5460042, 5850045, 8190063, 9100070, 11700090, 13650105, 16380126, 27300210, 40950315, 81900630]

約数ペア:

[(1, 81900630), (2, 40950315), (3, 27300210), (5, 16380126), (6, 13650105), (7, 11700090), (9, 9100070), (10, 8190063), (14, 5850045), (15, 5460042), (18, 4550035), (21, 3900030), (30, 2730021), (35, 2340018), (42, 1950015), (45, 1820014), (63, 1300010), (70, 1170009), (71, 1153530), (90, 910007), (105, 780006), (126, 650005), (142, 576765), (210, 390003), (213, 384510), (315, 260002), (355, 230706), (426, 192255), (497, 164790), (630, 130001), (639, 128170), (710, 115353), (994, 82395), (1065, 76902), (1278, 64085), (1491, 54930), (1831, 44730), (2130, 38451), (2485, 32958), (2982, 27465), (3195, 25634), (3662, 22365), (4473, 18310), (4970, 16479), (5493, 14910), (6390, 12817), (7455, 10986), (8946, 9155)]