2017277560

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{347}}^1$

素因数の和:541

約数の個数: 128

約数和(自身を含む): 4870886400

約数和(自身を除く): 2853608840

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 71, 89, 92, 115, 142, 178, 184, 230, 284, 347, 355, 356, 445, 460, 568, 694, 710, 712, 890, 920, 1388, 1420, 1633, 1735, 1780, 2047, 2776, 2840, 3266, 3470, 3560, 4094, 6319, 6532, 6940, 7981, 8165, 8188, 10235, 12638, 13064, 13880, 15962, 16330, 16376, 20470, 24637, 25276, 30883, 31595, 31924, 32660, 39905, 40940, 49274, 50552, 61766, 63190, 63848, 65320, 79810, 81880, 98548, 123185, 123532, 126380, 145337, 154415, 159620, 197096, 246370, 247064, 252760, 290674, 308830, 319240, 492740, 566651, 581348, 617660, 710309, 726685, 985480, 1133302, 1162696, 1235320, 1420618, 1453370, 2192693, 2266604, 2833255, 2841236, 2906740, 3551545, 4385386, 4533208, 5666510, 5682472, 5813480, 7103090, 8770772, 10963465, 11333020, 14206180, 17541544, 21926930, 22666040, 28412360, 43853860, 50431939, 87707720, 100863878, 201727756, 252159695, 403455512, 504319390, 1008638780, 2017277560]

約数ペア:

[(1, 2017277560), (2, 1008638780), (4, 504319390), (5, 403455512), (8, 252159695), (10, 201727756), (20, 100863878), (23, 87707720), (40, 50431939), (46, 43853860), (71, 28412360), (89, 22666040), (92, 21926930), (115, 17541544), (142, 14206180), (178, 11333020), (184, 10963465), (230, 8770772), (284, 7103090), (347, 5813480), (355, 5682472), (356, 5666510), (445, 4533208), (460, 4385386), (568, 3551545), (694, 2906740), (710, 2841236), (712, 2833255), (890, 2266604), (920, 2192693), (1388, 1453370), (1420, 1420618), (1633, 1235320), (1735, 1162696), (1780, 1133302), (2047, 985480), (2776, 726685), (2840, 710309), (3266, 617660), (3470, 581348), (3560, 566651), (4094, 492740), (6319, 319240), (6532, 308830), (6940, 290674), (7981, 252760), (8165, 247064), (8188, 246370), (10235, 197096), (12638, 159620), (13064, 154415), (13880, 145337), (15962, 126380), (16330, 123532), (16376, 123185), (20470, 98548), (24637, 81880), (25276, 79810), (30883, 65320), (31595, 63848), (31924, 63190), (32660, 61766), (39905, 50552), (40940, 49274)]