2888366720

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{739}}^1$

素因数の和:986

約数の個数: 128

約数和(自身を含む): 7173619200

約数和(自身を除く): 4285252480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 197, 248, 310, 320, 394, 496, 620, 640, 739, 788, 985, 992, 1240, 1478, 1576, 1970, 1984, 2480, 2956, 3152, 3695, 3940, 3968, 4960, 5912, 6107, 6304, 7390, 7880, 9920, 11824, 12214, 12608, 14780, 15760, 19840, 22909, 23648, 24428, 25216, 29560, 30535, 31520, 45818, 47296, 48856, 59120, 61070, 63040, 91636, 94592, 97712, 114545, 118240, 122140, 126080, 145583, 183272, 195424, 229090, 236480, 244280, 291166, 366544, 390848, 458180, 472960, 488560, 582332, 727915, 733088, 781696, 916360, 977120, 1164664, 1455830, 1466176, 1832720, 1954240, 2329328, 2911660, 2932352, 3665440, 3908480, 4513073, 4658656, 5823320, 7330880, 9026146, 9317312, 11646640, 14661760, 18052292, 18634624, 22565365, 23293280, 36104584, 45130730, 46586560, 72209168, 90261460, 93173120, 144418336, 180522920, 288836672, 361045840, 577673344, 722091680, 1444183360, 2888366720]

約数ペア:

[(1, 2888366720), (2, 1444183360), (4, 722091680), (5, 577673344), (8, 361045840), (10, 288836672), (16, 180522920), (20, 144418336), (31, 93173120), (32, 90261460), (40, 72209168), (62, 46586560), (64, 45130730), (80, 36104584), (124, 23293280), (128, 22565365), (155, 18634624), (160, 18052292), (197, 14661760), (248, 11646640), (310, 9317312), (320, 9026146), (394, 7330880), (496, 5823320), (620, 4658656), (640, 4513073), (739, 3908480), (788, 3665440), (985, 2932352), (992, 2911660), (1240, 2329328), (1478, 1954240), (1576, 1832720), (1970, 1466176), (1984, 1455830), (2480, 1164664), (2956, 977120), (3152, 916360), (3695, 781696), (3940, 733088), (3968, 727915), (4960, 582332), (5912, 488560), (6107, 472960), (6304, 458180), (7390, 390848), (7880, 366544), (9920, 291166), (11824, 244280), (12214, 236480), (12608, 229090), (14780, 195424), (15760, 183272), (19840, 145583), (22909, 126080), (23648, 122140), (24428, 118240), (25216, 114545), (29560, 97712), (30535, 94592), (31520, 91636), (45818, 63040), (47296, 61070), (48856, 59120)]