31170520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1993}}^1$

素因数の和:2044

約数の個数: 64

約数和(自身を含む): 77526720

約数和(自身を除く): 46356200

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 23, 34, 40, 46, 68, 85, 92, 115, 136, 170, 184, 230, 340, 391, 460, 680, 782, 920, 1564, 1955, 1993, 3128, 3910, 3986, 7820, 7972, 9965, 15640, 15944, 19930, 33881, 39860, 45839, 67762, 79720, 91678, 135524, 169405, 183356, 229195, 271048, 338810, 366712, 458390, 677620, 779263, 916780, 1355240, 1558526, 1833560, 3117052, 3896315, 6234104, 7792630, 15585260, 31170520]

約数ペア:

[(1, 31170520), (2, 15585260), (4, 7792630), (5, 6234104), (8, 3896315), (10, 3117052), (17, 1833560), (20, 1558526), (23, 1355240), (34, 916780), (40, 779263), (46, 677620), (68, 458390), (85, 366712), (92, 338810), (115, 271048), (136, 229195), (170, 183356), (184, 169405), (230, 135524), (340, 91678), (391, 79720), (460, 67762), (680, 45839), (782, 39860), (920, 33881), (1564, 19930), (1955, 15944), (1993, 15640), (3128, 9965), (3910, 7972), (3986, 7820)]