88891880

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:93

約数の個数: 256

約数和(自身を含む): 276480000

約数和(自身を除く): 187588120

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 19, 20, 22, 28, 31, 35, 38, 40, 44, 49, 55, 56, 62, 70, 76, 77, 88, 95, 98, 110, 124, 133, 140, 152, 154, 155, 190, 196, 209, 217, 220, 245, 248, 266, 280, 308, 310, 341, 343, 380, 385, 392, 418, 434, 440, 490, 532, 539, 589, 616, 620, 665, 682, 686, 760, 770, 836, 868, 931, 980, 1045, 1064, 1078, 1085, 1178, 1240, 1330, 1364, 1372, 1463, 1519, 1540, 1672, 1705, 1715, 1736, 1862, 1960, 2090, 2156, 2170, 2356, 2387, 2660, 2695, 2728, 2744, 2926, 2945, 3038, 3080, 3410, 3430, 3724, 3773, 4123, 4180, 4312, 4340, 4655, 4712, 4774, 5320, 5390, 5852, 5890, 6076, 6479, 6517, 6820, 6860, 7315, 7448, 7546, 7595, 8246, 8360, 8680, 9310, 9548, 10241, 10633, 10780, 11704, 11780, 11935, 12152, 12958, 13034, 13640, 13720, 14630, 15092, 15190, 16492, 16709, 18620, 18865, 19096, 20482, 20615, 21266, 21560, 23560, 23870, 25916, 26068, 28861, 29260, 30184, 30380, 32395, 32585, 32984, 33418, 37240, 37730, 40964, 41230, 42532, 45353, 47740, 51205, 51832, 52136, 53165, 57722, 58520, 60760, 64790, 65170, 66836, 71687, 75460, 81928, 82460, 83545, 85064, 90706, 95480, 102410, 106330, 115444, 116963, 129580, 130340, 133672, 143374, 144305, 150920, 164920, 167090, 181412, 202027, 204820, 212660, 226765, 230888, 233926, 259160, 260680, 286748, 288610, 317471, 334180, 358435, 362824, 404054, 409640, 425320, 453530, 467852, 573496, 577220, 584815, 634942, 668360, 716870, 808108, 907060, 935704, 1010135, 1154440, 1169630, 1269884, 1433740, 1587355, 1616216, 1814120, 2020270, 2222297, 2339260, 2539768, 2867480, 3174710, 4040540, 4444594, 4678520, 6349420, 8081080, 8889188, 11111485, 12698840, 17778376, 22222970, 44445940, 88891880]

約数ペア:

[(1, 88891880), (2, 44445940), (4, 22222970), (5, 17778376), (7, 12698840), (8, 11111485), (10, 8889188), (11, 8081080), (14, 6349420), (19, 4678520), (20, 4444594), (22, 4040540), (28, 3174710), (31, 2867480), (35, 2539768), (38, 2339260), (40, 2222297), (44, 2020270), (49, 1814120), (55, 1616216), (56, 1587355), (62, 1433740), (70, 1269884), (76, 1169630), (77, 1154440), (88, 1010135), (95, 935704), (98, 907060), (110, 808108), (124, 716870), (133, 668360), (140, 634942), (152, 584815), (154, 577220), (155, 573496), (190, 467852), (196, 453530), (209, 425320), (217, 409640), (220, 404054), (245, 362824), (248, 358435), (266, 334180), (280, 317471), (308, 288610), (310, 286748), (341, 260680), (343, 259160), (380, 233926), (385, 230888), (392, 226765), (418, 212660), (434, 204820), (440, 202027), (490, 181412), (532, 167090), (539, 164920), (589, 150920), (616, 144305), (620, 143374), (665, 133672), (682, 130340), (686, 129580), (760, 116963), (770, 115444), (836, 106330), (868, 102410), (931, 95480), (980, 90706), (1045, 85064), (1064, 83545), (1078, 82460), (1085, 81928), (1178, 75460), (1240, 71687), (1330, 66836), (1364, 65170), (1372, 64790), (1463, 60760), (1519, 58520), (1540, 57722), (1672, 53165), (1705, 52136), (1715, 51832), (1736, 51205), (1862, 47740), (1960, 45353), (2090, 42532), (2156, 41230), (2170, 40964), (2356, 37730), (2387, 37240), (2660, 33418), (2695, 32984), (2728, 32585), (2744, 32395), (2926, 30380), (2945, 30184), (3038, 29260), (3080, 28861), (3410, 26068), (3430, 25916), (3724, 23870), (3773, 23560), (4123, 21560), (4180, 21266), (4312, 20615), (4340, 20482), (4655, 19096), (4712, 18865), (4774, 18620), (5320, 16709), (5390, 16492), (5852, 15190), (5890, 15092), (6076, 14630), (6479, 13720), (6517, 13640), (6820, 13034), (6860, 12958), (7315, 12152), (7448, 11935), (7546, 11780), (7595, 11704), (8246, 10780), (8360, 10633), (8680, 10241), (9310, 9548)]