68580720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{431}}^1$

素因数の和:480

約数の個数: 240

約数和(自身を含む): 263233152

約数和(自身を除く): 194652432

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 17, 18, 20, 24, 26, 30, 34, 36, 39, 40, 45, 48, 51, 52, 60, 65, 68, 72, 78, 80, 85, 90, 102, 104, 117, 120, 130, 136, 144, 153, 156, 170, 180, 195, 204, 208, 221, 234, 240, 255, 260, 272, 306, 312, 340, 360, 390, 408, 431, 442, 468, 510, 520, 585, 612, 624, 663, 680, 720, 765, 780, 816, 862, 884, 936, 1020, 1040, 1105, 1170, 1224, 1293, 1326, 1360, 1530, 1560, 1724, 1768, 1872, 1989, 2040, 2155, 2210, 2340, 2448, 2586, 2652, 3060, 3120, 3315, 3448, 3536, 3879, 3978, 4080, 4310, 4420, 4680, 5172, 5304, 5603, 6120, 6465, 6630, 6896, 7327, 7758, 7956, 8620, 8840, 9360, 9945, 10344, 10608, 11206, 12240, 12930, 13260, 14654, 15516, 15912, 16809, 17240, 17680, 19395, 19890, 20688, 21981, 22412, 25860, 26520, 28015, 29308, 31032, 31824, 33618, 34480, 36635, 38790, 39780, 43962, 44824, 50427, 51720, 53040, 56030, 58616, 62064, 65943, 67236, 73270, 77580, 79560, 84045, 87924, 89648, 95251, 100854, 103440, 109905, 112060, 117232, 131886, 134472, 146540, 155160, 159120, 168090, 175848, 190502, 201708, 219810, 224120, 252135, 263772, 268944, 285753, 293080, 310320, 329715, 336180, 351696, 381004, 403416, 439620, 448240, 476255, 504270, 527544, 571506, 586160, 659430, 672360, 762008, 806832, 857259, 879240, 952510, 1008540, 1055088, 1143012, 1318860, 1344720, 1428765, 1524016, 1714518, 1758480, 1905020, 2017080, 2286024, 2637720, 2857530, 3429036, 3810040, 4034160, 4286295, 4572048, 5275440, 5715060, 6858072, 7620080, 8572590, 11430120, 13716144, 17145180, 22860240, 34290360, 68580720]

約数ペア:

[(1, 68580720), (2, 34290360), (3, 22860240), (4, 17145180), (5, 13716144), (6, 11430120), (8, 8572590), (9, 7620080), (10, 6858072), (12, 5715060), (13, 5275440), (15, 4572048), (16, 4286295), (17, 4034160), (18, 3810040), (20, 3429036), (24, 2857530), (26, 2637720), (30, 2286024), (34, 2017080), (36, 1905020), (39, 1758480), (40, 1714518), (45, 1524016), (48, 1428765), (51, 1344720), (52, 1318860), (60, 1143012), (65, 1055088), (68, 1008540), (72, 952510), (78, 879240), (80, 857259), (85, 806832), (90, 762008), (102, 672360), (104, 659430), (117, 586160), (120, 571506), (130, 527544), (136, 504270), (144, 476255), (153, 448240), (156, 439620), (170, 403416), (180, 381004), (195, 351696), (204, 336180), (208, 329715), (221, 310320), (234, 293080), (240, 285753), (255, 268944), (260, 263772), (272, 252135), (306, 224120), (312, 219810), (340, 201708), (360, 190502), (390, 175848), (408, 168090), (431, 159120), (442, 155160), (468, 146540), (510, 134472), (520, 131886), (585, 117232), (612, 112060), (624, 109905), (663, 103440), (680, 100854), (720, 95251), (765, 89648), (780, 87924), (816, 84045), (862, 79560), (884, 77580), (936, 73270), (1020, 67236), (1040, 65943), (1105, 62064), (1170, 58616), (1224, 56030), (1293, 53040), (1326, 51720), (1360, 50427), (1530, 44824), (1560, 43962), (1724, 39780), (1768, 38790), (1872, 36635), (1989, 34480), (2040, 33618), (2155, 31824), (2210, 31032), (2340, 29308), (2448, 28015), (2586, 26520), (2652, 25860), (3060, 22412), (3120, 21981), (3315, 20688), (3448, 19890), (3536, 19395), (3879, 17680), (3978, 17240), (4080, 16809), (4310, 15912), (4420, 15516), (4680, 14654), (5172, 13260), (5304, 12930), (5603, 12240), (6120, 11206), (6465, 10608), (6630, 10344), (6896, 9945), (7327, 9360), (7758, 8840), (7956, 8620)]