102678420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131639}}^1$

素因数の和:131664

約数の個数: 48

約数和(自身を含む): 309617280

約数和(自身を除く): 206938860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 131639, 263278, 394917, 526556, 658195, 789834, 1316390, 1579668, 1711307, 1974585, 2632780, 3422614, 3949170, 5133921, 6845228, 7898340, 8556535, 10267842, 17113070, 20535684, 25669605, 34226140, 51339210, 102678420]

約数ペア:

[(1, 102678420), (2, 51339210), (3, 34226140), (4, 25669605), (5, 20535684), (6, 17113070), (10, 10267842), (12, 8556535), (13, 7898340), (15, 6845228), (20, 5133921), (26, 3949170), (30, 3422614), (39, 2632780), (52, 1974585), (60, 1711307), (65, 1579668), (78, 1316390), (130, 789834), (156, 658195), (195, 526556), (260, 394917), (390, 263278), (780, 131639)]