25397680

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:88

約数の個数: 240

約数和(自身を含む): 81423360

約数和(自身を除く): 56025680

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 19, 20, 22, 28, 31, 35, 38, 40, 44, 49, 55, 56, 62, 70, 76, 77, 80, 88, 95, 98, 110, 112, 124, 133, 140, 152, 154, 155, 176, 190, 196, 209, 217, 220, 245, 248, 266, 280, 304, 308, 310, 341, 380, 385, 392, 418, 434, 440, 490, 496, 532, 539, 560, 589, 616, 620, 665, 682, 760, 770, 784, 836, 868, 880, 931, 980, 1045, 1064, 1078, 1085, 1178, 1232, 1240, 1330, 1364, 1463, 1519, 1520, 1540, 1672, 1705, 1736, 1862, 1960, 2090, 2128, 2156, 2170, 2356, 2387, 2480, 2660, 2695, 2728, 2926, 2945, 3038, 3080, 3344, 3410, 3472, 3724, 3920, 4123, 4180, 4312, 4340, 4655, 4712, 4774, 5320, 5390, 5456, 5852, 5890, 6076, 6160, 6479, 6820, 7315, 7448, 7595, 8246, 8360, 8624, 8680, 9310, 9424, 9548, 10241, 10640, 10780, 11704, 11780, 11935, 12152, 12958, 13640, 14630, 14896, 15190, 16492, 16709, 16720, 17360, 18620, 19096, 20482, 20615, 21560, 23408, 23560, 23870, 24304, 25916, 27280, 28861, 29260, 30380, 32395, 32984, 33418, 37240, 38192, 40964, 41230, 43120, 45353, 47120, 47740, 51205, 51832, 57722, 58520, 60760, 64790, 65968, 66836, 74480, 81928, 82460, 83545, 90706, 95480, 102410, 103664, 115444, 117040, 121520, 129580, 133672, 144305, 163856, 164920, 167090, 181412, 190960, 204820, 226765, 230888, 259160, 267344, 288610, 317471, 329840, 334180, 362824, 409640, 453530, 461776, 518320, 577220, 634942, 668360, 725648, 819280, 907060, 1154440, 1269884, 1336720, 1587355, 1814120, 2308880, 2539768, 3174710, 3628240, 5079536, 6349420, 12698840, 25397680]

約数ペア:

[(1, 25397680), (2, 12698840), (4, 6349420), (5, 5079536), (7, 3628240), (8, 3174710), (10, 2539768), (11, 2308880), (14, 1814120), (16, 1587355), (19, 1336720), (20, 1269884), (22, 1154440), (28, 907060), (31, 819280), (35, 725648), (38, 668360), (40, 634942), (44, 577220), (49, 518320), (55, 461776), (56, 453530), (62, 409640), (70, 362824), (76, 334180), (77, 329840), (80, 317471), (88, 288610), (95, 267344), (98, 259160), (110, 230888), (112, 226765), (124, 204820), (133, 190960), (140, 181412), (152, 167090), (154, 164920), (155, 163856), (176, 144305), (190, 133672), (196, 129580), (209, 121520), (217, 117040), (220, 115444), (245, 103664), (248, 102410), (266, 95480), (280, 90706), (304, 83545), (308, 82460), (310, 81928), (341, 74480), (380, 66836), (385, 65968), (392, 64790), (418, 60760), (434, 58520), (440, 57722), (490, 51832), (496, 51205), (532, 47740), (539, 47120), (560, 45353), (589, 43120), (616, 41230), (620, 40964), (665, 38192), (682, 37240), (760, 33418), (770, 32984), (784, 32395), (836, 30380), (868, 29260), (880, 28861), (931, 27280), (980, 25916), (1045, 24304), (1064, 23870), (1078, 23560), (1085, 23408), (1178, 21560), (1232, 20615), (1240, 20482), (1330, 19096), (1364, 18620), (1463, 17360), (1519, 16720), (1520, 16709), (1540, 16492), (1672, 15190), (1705, 14896), (1736, 14630), (1862, 13640), (1960, 12958), (2090, 12152), (2128, 11935), (2156, 11780), (2170, 11704), (2356, 10780), (2387, 10640), (2480, 10241), (2660, 9548), (2695, 9424), (2728, 9310), (2926, 8680), (2945, 8624), (3038, 8360), (3080, 8246), (3344, 7595), (3410, 7448), (3472, 7315), (3724, 6820), (3920, 6479), (4123, 6160), (4180, 6076), (4312, 5890), (4340, 5852), (4655, 5456), (4712, 5390), (4774, 5320)]