320951680

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2311}}^1$

素因数の和:2368

約数の個数: 128

約数和(自身を含む): 905564160

約数和(自身を除く): 584612480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 128, 140, 155, 160, 217, 224, 248, 280, 310, 320, 434, 448, 496, 560, 620, 640, 868, 896, 992, 1085, 1120, 1240, 1736, 1984, 2170, 2240, 2311, 2480, 3472, 3968, 4340, 4480, 4622, 4960, 6944, 8680, 9244, 9920, 11555, 13888, 16177, 17360, 18488, 19840, 23110, 27776, 32354, 34720, 36976, 46220, 64708, 69440, 71641, 73952, 80885, 92440, 129416, 138880, 143282, 147904, 161770, 184880, 258832, 286564, 295808, 323540, 358205, 369760, 501487, 517664, 573128, 647080, 716410, 739520, 1002974, 1035328, 1146256, 1294160, 1432820, 1479040, 2005948, 2070656, 2292512, 2507435, 2588320, 2865640, 4011896, 4585024, 5014870, 5176640, 5731280, 8023792, 9170048, 10029740, 10353280, 11462560, 16047584, 20059480, 22925120, 32095168, 40118960, 45850240, 64190336, 80237920, 160475840, 320951680]

約数ペア:

[(1, 320951680), (2, 160475840), (4, 80237920), (5, 64190336), (7, 45850240), (8, 40118960), (10, 32095168), (14, 22925120), (16, 20059480), (20, 16047584), (28, 11462560), (31, 10353280), (32, 10029740), (35, 9170048), (40, 8023792), (56, 5731280), (62, 5176640), (64, 5014870), (70, 4585024), (80, 4011896), (112, 2865640), (124, 2588320), (128, 2507435), (140, 2292512), (155, 2070656), (160, 2005948), (217, 1479040), (224, 1432820), (248, 1294160), (280, 1146256), (310, 1035328), (320, 1002974), (434, 739520), (448, 716410), (496, 647080), (560, 573128), (620, 517664), (640, 501487), (868, 369760), (896, 358205), (992, 323540), (1085, 295808), (1120, 286564), (1240, 258832), (1736, 184880), (1984, 161770), (2170, 147904), (2240, 143282), (2311, 138880), (2480, 129416), (3472, 92440), (3968, 80885), (4340, 73952), (4480, 71641), (4622, 69440), (4960, 64708), (6944, 46220), (8680, 36976), (9244, 34720), (9920, 32354), (11555, 27776), (13888, 23110), (16177, 19840), (17360, 18488)]