66957520

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:106

約数の個数: 240

約数和(自身を含む): 203558400

約数和(自身を除く): 136600880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 29, 31, 35, 38, 40, 49, 56, 58, 62, 70, 76, 80, 95, 98, 112, 116, 124, 133, 140, 145, 152, 155, 190, 196, 203, 217, 232, 245, 248, 266, 280, 290, 304, 310, 380, 392, 406, 434, 464, 490, 496, 532, 551, 560, 580, 589, 620, 665, 760, 784, 812, 868, 899, 931, 980, 1015, 1064, 1085, 1102, 1160, 1178, 1240, 1330, 1421, 1519, 1520, 1624, 1736, 1798, 1862, 1960, 2030, 2128, 2170, 2204, 2320, 2356, 2480, 2660, 2755, 2842, 2945, 3038, 3248, 3472, 3596, 3724, 3857, 3920, 4060, 4123, 4340, 4408, 4495, 4655, 4712, 5320, 5510, 5684, 5890, 6076, 6293, 7105, 7192, 7448, 7595, 7714, 8120, 8246, 8680, 8816, 8990, 9310, 9424, 10640, 11020, 11368, 11780, 12152, 12586, 14210, 14384, 14896, 15190, 15428, 16240, 16492, 17081, 17360, 17980, 18620, 19285, 20615, 22040, 22736, 23560, 24304, 25172, 26999, 28420, 28861, 30380, 30856, 31465, 32984, 34162, 35960, 37240, 38570, 41230, 44051, 44080, 47120, 50344, 53998, 56840, 57722, 60760, 61712, 62930, 65968, 68324, 71920, 74480, 77140, 82460, 85405, 88102, 100688, 107996, 113680, 115444, 119567, 121520, 125860, 134995, 136648, 144305, 154280, 164920, 170810, 176204, 215992, 220255, 230888, 239134, 251720, 269990, 273296, 288610, 308560, 329840, 341620, 352408, 431984, 440510, 461776, 478268, 503440, 539980, 577220, 597835, 683240, 704816, 836969, 881020, 956536, 1079960, 1154440, 1195670, 1366480, 1673938, 1762040, 1913072, 2159920, 2308880, 2391340, 3347876, 3524080, 4184845, 4782680, 6695752, 8369690, 9565360, 13391504, 16739380, 33478760, 66957520]

約数ペア:

[(1, 66957520), (2, 33478760), (4, 16739380), (5, 13391504), (7, 9565360), (8, 8369690), (10, 6695752), (14, 4782680), (16, 4184845), (19, 3524080), (20, 3347876), (28, 2391340), (29, 2308880), (31, 2159920), (35, 1913072), (38, 1762040), (40, 1673938), (49, 1366480), (56, 1195670), (58, 1154440), (62, 1079960), (70, 956536), (76, 881020), (80, 836969), (95, 704816), (98, 683240), (112, 597835), (116, 577220), (124, 539980), (133, 503440), (140, 478268), (145, 461776), (152, 440510), (155, 431984), (190, 352408), (196, 341620), (203, 329840), (217, 308560), (232, 288610), (245, 273296), (248, 269990), (266, 251720), (280, 239134), (290, 230888), (304, 220255), (310, 215992), (380, 176204), (392, 170810), (406, 164920), (434, 154280), (464, 144305), (490, 136648), (496, 134995), (532, 125860), (551, 121520), (560, 119567), (580, 115444), (589, 113680), (620, 107996), (665, 100688), (760, 88102), (784, 85405), (812, 82460), (868, 77140), (899, 74480), (931, 71920), (980, 68324), (1015, 65968), (1064, 62930), (1085, 61712), (1102, 60760), (1160, 57722), (1178, 56840), (1240, 53998), (1330, 50344), (1421, 47120), (1519, 44080), (1520, 44051), (1624, 41230), (1736, 38570), (1798, 37240), (1862, 35960), (1960, 34162), (2030, 32984), (2128, 31465), (2170, 30856), (2204, 30380), (2320, 28861), (2356, 28420), (2480, 26999), (2660, 25172), (2755, 24304), (2842, 23560), (2945, 22736), (3038, 22040), (3248, 20615), (3472, 19285), (3596, 18620), (3724, 17980), (3857, 17360), (3920, 17081), (4060, 16492), (4123, 16240), (4340, 15428), (4408, 15190), (4495, 14896), (4655, 14384), (4712, 14210), (5320, 12586), (5510, 12152), (5684, 11780), (5890, 11368), (6076, 11020), (6293, 10640), (7105, 9424), (7192, 9310), (7448, 8990), (7595, 8816), (7714, 8680), (8120, 8246)]