68428500

素因数分解:

$2^2\times 3^1\times 5^3\times 7^4\times {\mathrm{19}}^1$

素因数の和:69

約数の個数: 240

約数和(自身を含む): 244695360

約数和(自身を除く): 176266860

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 25, 28, 30, 35, 38, 42, 49, 50, 57, 60, 70, 75, 76, 84, 95, 98, 100, 105, 114, 125, 133, 140, 147, 150, 175, 190, 196, 210, 228, 245, 250, 266, 285, 294, 300, 343, 350, 375, 380, 399, 420, 475, 490, 500, 525, 532, 570, 588, 665, 686, 700, 735, 750, 798, 875, 931, 950, 980, 1029, 1050, 1140, 1225, 1330, 1372, 1425, 1470, 1500, 1596, 1715, 1750, 1862, 1900, 1995, 2058, 2100, 2375, 2401, 2450, 2625, 2660, 2793, 2850, 2940, 3325, 3430, 3500, 3675, 3724, 3990, 4116, 4655, 4750, 4802, 4900, 5145, 5250, 5586, 5700, 6125, 6517, 6650, 6860, 7125, 7203, 7350, 7980, 8575, 9310, 9500, 9604, 9975, 10290, 10500, 11172, 12005, 12250, 13034, 13300, 13965, 14250, 14406, 14700, 16625, 17150, 18375, 18620, 19551, 19950, 20580, 23275, 24010, 24500, 25725, 26068, 27930, 28500, 28812, 32585, 33250, 34300, 36015, 36750, 39102, 39900, 42875, 45619, 46550, 48020, 49875, 51450, 55860, 60025, 65170, 66500, 69825, 72030, 73500, 78204, 85750, 91238, 93100, 97755, 99750, 102900, 116375, 120050, 128625, 130340, 136857, 139650, 144060, 162925, 171500, 180075, 182476, 195510, 199500, 228095, 232750, 240100, 257250, 273714, 279300, 300125, 325850, 349125, 360150, 391020, 456190, 465500, 488775, 514500, 547428, 600250, 651700, 684285, 698250, 720300, 814625, 900375, 912380, 977550, 1140475, 1200500, 1368570, 1396500, 1629250, 1800750, 1955100, 2280950, 2443875, 2737140, 3258500, 3421425, 3601500, 4561900, 4887750, 5702375, 6842850, 9775500, 11404750, 13685700, 17107125, 22809500, 34214250, 68428500]

約数ペア:

[(1, 68428500), (2, 34214250), (3, 22809500), (4, 17107125), (5, 13685700), (6, 11404750), (7, 9775500), (10, 6842850), (12, 5702375), (14, 4887750), (15, 4561900), (19, 3601500), (20, 3421425), (21, 3258500), (25, 2737140), (28, 2443875), (30, 2280950), (35, 1955100), (38, 1800750), (42, 1629250), (49, 1396500), (50, 1368570), (57, 1200500), (60, 1140475), (70, 977550), (75, 912380), (76, 900375), (84, 814625), (95, 720300), (98, 698250), (100, 684285), (105, 651700), (114, 600250), (125, 547428), (133, 514500), (140, 488775), (147, 465500), (150, 456190), (175, 391020), (190, 360150), (196, 349125), (210, 325850), (228, 300125), (245, 279300), (250, 273714), (266, 257250), (285, 240100), (294, 232750), (300, 228095), (343, 199500), (350, 195510), (375, 182476), (380, 180075), (399, 171500), (420, 162925), (475, 144060), (490, 139650), (500, 136857), (525, 130340), (532, 128625), (570, 120050), (588, 116375), (665, 102900), (686, 99750), (700, 97755), (735, 93100), (750, 91238), (798, 85750), (875, 78204), (931, 73500), (950, 72030), (980, 69825), (1029, 66500), (1050, 65170), (1140, 60025), (1225, 55860), (1330, 51450), (1372, 49875), (1425, 48020), (1470, 46550), (1500, 45619), (1596, 42875), (1715, 39900), (1750, 39102), (1862, 36750), (1900, 36015), (1995, 34300), (2058, 33250), (2100, 32585), (2375, 28812), (2401, 28500), (2450, 27930), (2625, 26068), (2660, 25725), (2793, 24500), (2850, 24010), (2940, 23275), (3325, 20580), (3430, 19950), (3500, 19551), (3675, 18620), (3724, 18375), (3990, 17150), (4116, 16625), (4655, 14700), (4750, 14406), (4802, 14250), (4900, 13965), (5145, 13300), (5250, 13034), (5586, 12250), (5700, 12005), (6125, 11172), (6517, 10500), (6650, 10290), (6860, 9975), (7125, 9604), (7203, 9500), (7350, 9310), (7980, 8575)]