87170520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{677}}^1$

素因数の和:757

約数の個数: 128

約数和(自身を含む): 278251200

約数和(自身を除く): 191080680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 37, 40, 58, 60, 74, 87, 111, 116, 120, 145, 148, 174, 185, 222, 232, 290, 296, 348, 370, 435, 444, 555, 580, 677, 696, 740, 870, 888, 1073, 1110, 1160, 1354, 1480, 1740, 2031, 2146, 2220, 2708, 3219, 3385, 3480, 4062, 4292, 4440, 5365, 5416, 6438, 6770, 8124, 8584, 10155, 10730, 12876, 13540, 16095, 16248, 19633, 20310, 21460, 25049, 25752, 27080, 32190, 39266, 40620, 42920, 50098, 58899, 64380, 75147, 78532, 81240, 98165, 100196, 117798, 125245, 128760, 150294, 157064, 196330, 200392, 235596, 250490, 294495, 300588, 375735, 392660, 471192, 500980, 588990, 601176, 726421, 751470, 785320, 1001960, 1177980, 1452842, 1502940, 2179263, 2355960, 2905684, 3005880, 3632105, 4358526, 5811368, 7264210, 8717052, 10896315, 14528420, 17434104, 21792630, 29056840, 43585260, 87170520]

約数ペア:

[(1, 87170520), (2, 43585260), (3, 29056840), (4, 21792630), (5, 17434104), (6, 14528420), (8, 10896315), (10, 8717052), (12, 7264210), (15, 5811368), (20, 4358526), (24, 3632105), (29, 3005880), (30, 2905684), (37, 2355960), (40, 2179263), (58, 1502940), (60, 1452842), (74, 1177980), (87, 1001960), (111, 785320), (116, 751470), (120, 726421), (145, 601176), (148, 588990), (174, 500980), (185, 471192), (222, 392660), (232, 375735), (290, 300588), (296, 294495), (348, 250490), (370, 235596), (435, 200392), (444, 196330), (555, 157064), (580, 150294), (677, 128760), (696, 125245), (740, 117798), (870, 100196), (888, 98165), (1073, 81240), (1110, 78532), (1160, 75147), (1354, 64380), (1480, 58899), (1740, 50098), (2031, 42920), (2146, 40620), (2220, 39266), (2708, 32190), (3219, 27080), (3385, 25752), (3480, 25049), (4062, 21460), (4292, 20310), (4440, 19633), (5365, 16248), (5416, 16095), (6438, 13540), (6770, 12876), (8124, 10730), (8584, 10155)]