643502280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{2179}}^1$

素因数の和:2323

約数の個数: 128

約数和(自身を含む): 2034201600

約数和(自身を除く): 1390699320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 107, 115, 120, 138, 184, 214, 230, 276, 321, 345, 428, 460, 535, 552, 642, 690, 856, 920, 1070, 1284, 1380, 1605, 2140, 2179, 2461, 2568, 2760, 3210, 4280, 4358, 4922, 6420, 6537, 7383, 8716, 9844, 10895, 12305, 12840, 13074, 14766, 17432, 19688, 21790, 24610, 26148, 29532, 32685, 36915, 43580, 49220, 50117, 52296, 59064, 65370, 73830, 87160, 98440, 100234, 130740, 147660, 150351, 200468, 233153, 250585, 261480, 295320, 300702, 400936, 466306, 501170, 601404, 699459, 751755, 932612, 1002340, 1165765, 1202808, 1398918, 1503510, 1865224, 2004680, 2331530, 2797836, 3007020, 3497295, 4663060, 5362519, 5595672, 6014040, 6994590, 9326120, 10725038, 13989180, 16087557, 21450076, 26812595, 27978360, 32175114, 42900152, 53625190, 64350228, 80437785, 107250380, 128700456, 160875570, 214500760, 321751140, 643502280]

約数ペア:

[(1, 643502280), (2, 321751140), (3, 214500760), (4, 160875570), (5, 128700456), (6, 107250380), (8, 80437785), (10, 64350228), (12, 53625190), (15, 42900152), (20, 32175114), (23, 27978360), (24, 26812595), (30, 21450076), (40, 16087557), (46, 13989180), (60, 10725038), (69, 9326120), (92, 6994590), (107, 6014040), (115, 5595672), (120, 5362519), (138, 4663060), (184, 3497295), (214, 3007020), (230, 2797836), (276, 2331530), (321, 2004680), (345, 1865224), (428, 1503510), (460, 1398918), (535, 1202808), (552, 1165765), (642, 1002340), (690, 932612), (856, 751755), (920, 699459), (1070, 601404), (1284, 501170), (1380, 466306), (1605, 400936), (2140, 300702), (2179, 295320), (2461, 261480), (2568, 250585), (2760, 233153), (3210, 200468), (4280, 150351), (4358, 147660), (4922, 130740), (6420, 100234), (6537, 98440), (7383, 87160), (8716, 73830), (9844, 65370), (10895, 59064), (12305, 52296), (12840, 50117), (13074, 49220), (14766, 43580), (17432, 36915), (19688, 32685), (21790, 29532), (24610, 26148)]