918598720

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{439}}^1\times {\mathrm{503}}^1$

素因数の和:972

約数の個数: 112

約数和(自身を含む): 2365735680

約数和(自身を除く): 1447136960

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 439, 503, 520, 832, 878, 1006, 1040, 1756, 2012, 2080, 2195, 2515, 3512, 4024, 4160, 4390, 5030, 5707, 6539, 7024, 8048, 8780, 10060, 11414, 13078, 14048, 16096, 17560, 20120, 22828, 26156, 28096, 28535, 32192, 32695, 35120, 40240, 45656, 52312, 57070, 65390, 70240, 80480, 91312, 104624, 114140, 130780, 140480, 160960, 182624, 209248, 220817, 228280, 261560, 365248, 418496, 441634, 456560, 523120, 883268, 913120, 1046240, 1104085, 1766536, 1826240, 2092480, 2208170, 2870621, 3533072, 4416340, 5741242, 7066144, 8832680, 11482484, 14132288, 14353105, 17665360, 22964968, 28706210, 35330720, 45929936, 57412420, 70661440, 91859872, 114824840, 183719744, 229649680, 459299360, 918598720]

約数ペア:

[(1, 918598720), (2, 459299360), (4, 229649680), (5, 183719744), (8, 114824840), (10, 91859872), (13, 70661440), (16, 57412420), (20, 45929936), (26, 35330720), (32, 28706210), (40, 22964968), (52, 17665360), (64, 14353105), (65, 14132288), (80, 11482484), (104, 8832680), (130, 7066144), (160, 5741242), (208, 4416340), (260, 3533072), (320, 2870621), (416, 2208170), (439, 2092480), (503, 1826240), (520, 1766536), (832, 1104085), (878, 1046240), (1006, 913120), (1040, 883268), (1756, 523120), (2012, 456560), (2080, 441634), (2195, 418496), (2515, 365248), (3512, 261560), (4024, 228280), (4160, 220817), (4390, 209248), (5030, 182624), (5707, 160960), (6539, 140480), (7024, 130780), (8048, 114140), (8780, 104624), (10060, 91312), (11414, 80480), (13078, 70240), (14048, 65390), (16096, 57070), (17560, 52312), (20120, 45656), (22828, 40240), (26156, 35120), (28096, 32695), (28535, 32192)]