90217980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29483}}^1$

素因数の和:29515

約数の個数: 72

約数和(自身を含む): 289768752

約数和(自身を除く): 199550772

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 29483, 58966, 88449, 117932, 147415, 176898, 265347, 294830, 353796, 442245, 501211, 530694, 589660, 884490, 1002422, 1061388, 1326735, 1503633, 1768980, 2004844, 2506055, 2653470, 3007266, 4510899, 5012110, 5306940, 6014532, 7518165, 9021798, 10024220, 15036330, 18043596, 22554495, 30072660, 45108990, 90217980]

約数ペア:

[(1, 90217980), (2, 45108990), (3, 30072660), (4, 22554495), (5, 18043596), (6, 15036330), (9, 10024220), (10, 9021798), (12, 7518165), (15, 6014532), (17, 5306940), (18, 5012110), (20, 4510899), (30, 3007266), (34, 2653470), (36, 2506055), (45, 2004844), (51, 1768980), (60, 1503633), (68, 1326735), (85, 1061388), (90, 1002422), (102, 884490), (153, 589660), (170, 530694), (180, 501211), (204, 442245), (255, 353796), (306, 294830), (340, 265347), (510, 176898), (612, 147415), (765, 117932), (1020, 88449), (1530, 58966), (3060, 29483)]