8688680

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1$

素因数の和:80

約数の個数: 192

約数和(自身を含む): 27578880

約数和(自身を除く): 18890200

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 20, 22, 26, 28, 31, 35, 40, 44, 49, 52, 55, 56, 62, 65, 70, 77, 88, 91, 98, 104, 110, 124, 130, 140, 143, 154, 155, 182, 196, 217, 220, 245, 248, 260, 280, 286, 308, 310, 341, 364, 385, 392, 403, 434, 440, 455, 490, 520, 539, 572, 616, 620, 637, 682, 715, 728, 770, 806, 868, 910, 980, 1001, 1078, 1085, 1144, 1240, 1274, 1364, 1430, 1519, 1540, 1612, 1705, 1736, 1820, 1960, 2002, 2015, 2156, 2170, 2387, 2548, 2695, 2728, 2821, 2860, 3038, 3080, 3185, 3224, 3410, 3640, 4004, 4030, 4312, 4340, 4433, 4774, 5005, 5096, 5390, 5642, 5720, 6076, 6370, 6820, 7007, 7595, 8008, 8060, 8680, 8866, 9548, 10010, 10780, 11284, 11935, 12152, 12740, 13640, 14014, 14105, 15190, 16120, 16709, 17732, 19096, 19747, 20020, 21560, 22165, 22568, 23870, 25480, 28028, 28210, 30380, 31031, 33418, 35035, 35464, 39494, 40040, 44330, 47740, 56056, 56420, 60760, 62062, 66836, 70070, 78988, 83545, 88660, 95480, 98735, 112840, 124124, 133672, 140140, 155155, 157976, 167090, 177320, 197470, 217217, 248248, 280280, 310310, 334180, 394940, 434434, 620620, 668360, 789880, 868868, 1086085, 1241240, 1737736, 2172170, 4344340, 8688680]

約数ペア:

[(1, 8688680), (2, 4344340), (4, 2172170), (5, 1737736), (7, 1241240), (8, 1086085), (10, 868868), (11, 789880), (13, 668360), (14, 620620), (20, 434434), (22, 394940), (26, 334180), (28, 310310), (31, 280280), (35, 248248), (40, 217217), (44, 197470), (49, 177320), (52, 167090), (55, 157976), (56, 155155), (62, 140140), (65, 133672), (70, 124124), (77, 112840), (88, 98735), (91, 95480), (98, 88660), (104, 83545), (110, 78988), (124, 70070), (130, 66836), (140, 62062), (143, 60760), (154, 56420), (155, 56056), (182, 47740), (196, 44330), (217, 40040), (220, 39494), (245, 35464), (248, 35035), (260, 33418), (280, 31031), (286, 30380), (308, 28210), (310, 28028), (341, 25480), (364, 23870), (385, 22568), (392, 22165), (403, 21560), (434, 20020), (440, 19747), (455, 19096), (490, 17732), (520, 16709), (539, 16120), (572, 15190), (616, 14105), (620, 14014), (637, 13640), (682, 12740), (715, 12152), (728, 11935), (770, 11284), (806, 10780), (868, 10010), (910, 9548), (980, 8866), (1001, 8680), (1078, 8060), (1085, 8008), (1144, 7595), (1240, 7007), (1274, 6820), (1364, 6370), (1430, 6076), (1519, 5720), (1540, 5642), (1612, 5390), (1705, 5096), (1736, 5005), (1820, 4774), (1960, 4433), (2002, 4340), (2015, 4312), (2156, 4030), (2170, 4004), (2387, 3640), (2548, 3410), (2695, 3224), (2728, 3185), (2821, 3080), (2860, 3038)]