180607700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{223}}^1$

素因数の和:346

約数の個数: 144

約数和(自身を含む): 489968640

約数和(自身を除く): 309360940

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 50, 52, 65, 70, 89, 91, 100, 130, 140, 175, 178, 182, 223, 260, 325, 350, 356, 364, 445, 446, 455, 623, 650, 700, 890, 892, 910, 1115, 1157, 1246, 1300, 1561, 1780, 1820, 2225, 2230, 2275, 2314, 2492, 2899, 3115, 3122, 4450, 4460, 4550, 4628, 5575, 5785, 5798, 6230, 6244, 7805, 8099, 8900, 9100, 11150, 11570, 11596, 12460, 14495, 15575, 15610, 16198, 19847, 20293, 22300, 23140, 28925, 28990, 31150, 31220, 32396, 39025, 39694, 40495, 40586, 57850, 57980, 62300, 72475, 78050, 79388, 80990, 81172, 99235, 101465, 115700, 138929, 144950, 156100, 161980, 198470, 202475, 202930, 258011, 277858, 289900, 396940, 404950, 405860, 496175, 507325, 516022, 555716, 694645, 809900, 992350, 1014650, 1032044, 1290055, 1389290, 1806077, 1984700, 2029300, 2580110, 2778580, 3473225, 3612154, 5160220, 6450275, 6946450, 7224308, 9030385, 12900550, 13892900, 18060770, 25801100, 36121540, 45151925, 90303850, 180607700]

約数ペア:

[(1, 180607700), (2, 90303850), (4, 45151925), (5, 36121540), (7, 25801100), (10, 18060770), (13, 13892900), (14, 12900550), (20, 9030385), (25, 7224308), (26, 6946450), (28, 6450275), (35, 5160220), (50, 3612154), (52, 3473225), (65, 2778580), (70, 2580110), (89, 2029300), (91, 1984700), (100, 1806077), (130, 1389290), (140, 1290055), (175, 1032044), (178, 1014650), (182, 992350), (223, 809900), (260, 694645), (325, 555716), (350, 516022), (356, 507325), (364, 496175), (445, 405860), (446, 404950), (455, 396940), (623, 289900), (650, 277858), (700, 258011), (890, 202930), (892, 202475), (910, 198470), (1115, 161980), (1157, 156100), (1246, 144950), (1300, 138929), (1561, 115700), (1780, 101465), (1820, 99235), (2225, 81172), (2230, 80990), (2275, 79388), (2314, 78050), (2492, 72475), (2899, 62300), (3115, 57980), (3122, 57850), (4450, 40586), (4460, 40495), (4550, 39694), (4628, 39025), (5575, 32396), (5785, 31220), (5798, 31150), (6230, 28990), (6244, 28925), (7805, 23140), (8099, 22300), (8900, 20293), (9100, 19847), (11150, 16198), (11570, 15610), (11596, 15575), (12460, 14495)]