81813690

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{7639}}^1$

素因数の和:7676

約数の個数: 96

約数和(自身を含む): 257437440

約数和(自身を除く): 175623750

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 17, 18, 21, 30, 34, 35, 42, 45, 51, 63, 70, 85, 90, 102, 105, 119, 126, 153, 170, 210, 238, 255, 306, 315, 357, 510, 595, 630, 714, 765, 1071, 1190, 1530, 1785, 2142, 3570, 5355, 7639, 10710, 15278, 22917, 38195, 45834, 53473, 68751, 76390, 106946, 114585, 129863, 137502, 160419, 229170, 259726, 267365, 320838, 343755, 389589, 481257, 534730, 649315, 687510, 779178, 802095, 909041, 962514, 1168767, 1298630, 1604190, 1818082, 1947945, 2337534, 2406285, 2727123, 3895890, 4545205, 4812570, 5454246, 5843835, 8181369, 9090410, 11687670, 13635615, 16362738, 27271230, 40906845, 81813690]

約数ペア:

[(1, 81813690), (2, 40906845), (3, 27271230), (5, 16362738), (6, 13635615), (7, 11687670), (9, 9090410), (10, 8181369), (14, 5843835), (15, 5454246), (17, 4812570), (18, 4545205), (21, 3895890), (30, 2727123), (34, 2406285), (35, 2337534), (42, 1947945), (45, 1818082), (51, 1604190), (63, 1298630), (70, 1168767), (85, 962514), (90, 909041), (102, 802095), (105, 779178), (119, 687510), (126, 649315), (153, 534730), (170, 481257), (210, 389589), (238, 343755), (255, 320838), (306, 267365), (315, 259726), (357, 229170), (510, 160419), (595, 137502), (630, 129863), (714, 114585), (765, 106946), (1071, 76390), (1190, 68751), (1530, 53473), (1785, 45834), (2142, 38195), (3570, 22917), (5355, 15278), (7639, 10710)]