68500980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{1447}}^1$

素因数の和:1725

約数の個数: 72

約数和(自身を含む): 208720512

約数和(自身を除く): 140219532

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 263, 526, 789, 1052, 1315, 1447, 1578, 2367, 2630, 2894, 3156, 3945, 4341, 4734, 5260, 5788, 7235, 7890, 8682, 9468, 11835, 13023, 14470, 15780, 17364, 21705, 23670, 26046, 28940, 43410, 47340, 52092, 65115, 86820, 130230, 260460, 380561, 761122, 1141683, 1522244, 1902805, 2283366, 3425049, 3805610, 4566732, 5708415, 6850098, 7611220, 11416830, 13700196, 17125245, 22833660, 34250490, 68500980]

約数ペア:

[(1, 68500980), (2, 34250490), (3, 22833660), (4, 17125245), (5, 13700196), (6, 11416830), (9, 7611220), (10, 6850098), (12, 5708415), (15, 4566732), (18, 3805610), (20, 3425049), (30, 2283366), (36, 1902805), (45, 1522244), (60, 1141683), (90, 761122), (180, 380561), (263, 260460), (526, 130230), (789, 86820), (1052, 65115), (1315, 52092), (1447, 47340), (1578, 43410), (2367, 28940), (2630, 26046), (2894, 23670), (3156, 21705), (3945, 17364), (4341, 15780), (4734, 14470), (5260, 13023), (5788, 11835), (7235, 9468), (7890, 8682)]