68898900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:183

約数の個数: 216

約数和(自身を含む): 239463840

約数和(自身を除く): 170564940

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 43, 49, 50, 60, 70, 75, 84, 86, 98, 100, 105, 109, 129, 140, 147, 150, 172, 175, 196, 210, 215, 218, 245, 258, 294, 300, 301, 327, 350, 420, 430, 436, 490, 516, 525, 545, 588, 602, 645, 654, 700, 735, 763, 860, 903, 980, 1050, 1075, 1090, 1204, 1225, 1290, 1308, 1470, 1505, 1526, 1635, 1806, 2100, 2107, 2150, 2180, 2289, 2450, 2580, 2725, 2940, 3010, 3052, 3225, 3270, 3612, 3675, 3815, 4214, 4300, 4515, 4578, 4687, 4900, 5341, 5450, 6020, 6321, 6450, 6540, 7350, 7525, 7630, 8175, 8428, 9030, 9156, 9374, 10535, 10682, 10900, 11445, 12642, 12900, 14061, 14700, 15050, 15260, 16023, 16350, 18060, 18748, 19075, 21070, 21364, 22575, 22890, 23435, 25284, 26705, 28122, 30100, 31605, 32046, 32700, 32809, 38150, 42140, 45150, 45780, 46870, 52675, 53410, 56244, 57225, 63210, 64092, 65618, 70305, 76300, 80115, 90300, 93740, 98427, 105350, 106820, 114450, 117175, 126420, 131236, 133525, 140610, 158025, 160230, 164045, 196854, 210700, 228900, 229663, 234350, 267050, 281220, 316050, 320460, 328090, 351525, 393708, 400575, 459326, 468700, 492135, 534100, 632100, 656180, 688989, 703050, 801150, 820225, 918652, 984270, 1148315, 1377978, 1406100, 1602300, 1640450, 1968540, 2296630, 2460675, 2755956, 3280900, 3444945, 4593260, 4921350, 5741575, 6889890, 9842700, 11483150, 13779780, 17224725, 22966300, 34449450, 68898900]

約数ペア:

[(1, 68898900), (2, 34449450), (3, 22966300), (4, 17224725), (5, 13779780), (6, 11483150), (7, 9842700), (10, 6889890), (12, 5741575), (14, 4921350), (15, 4593260), (20, 3444945), (21, 3280900), (25, 2755956), (28, 2460675), (30, 2296630), (35, 1968540), (42, 1640450), (43, 1602300), (49, 1406100), (50, 1377978), (60, 1148315), (70, 984270), (75, 918652), (84, 820225), (86, 801150), (98, 703050), (100, 688989), (105, 656180), (109, 632100), (129, 534100), (140, 492135), (147, 468700), (150, 459326), (172, 400575), (175, 393708), (196, 351525), (210, 328090), (215, 320460), (218, 316050), (245, 281220), (258, 267050), (294, 234350), (300, 229663), (301, 228900), (327, 210700), (350, 196854), (420, 164045), (430, 160230), (436, 158025), (490, 140610), (516, 133525), (525, 131236), (545, 126420), (588, 117175), (602, 114450), (645, 106820), (654, 105350), (700, 98427), (735, 93740), (763, 90300), (860, 80115), (903, 76300), (980, 70305), (1050, 65618), (1075, 64092), (1090, 63210), (1204, 57225), (1225, 56244), (1290, 53410), (1308, 52675), (1470, 46870), (1505, 45780), (1526, 45150), (1635, 42140), (1806, 38150), (2100, 32809), (2107, 32700), (2150, 32046), (2180, 31605), (2289, 30100), (2450, 28122), (2580, 26705), (2725, 25284), (2940, 23435), (3010, 22890), (3052, 22575), (3225, 21364), (3270, 21070), (3612, 19075), (3675, 18748), (3815, 18060), (4214, 16350), (4300, 16023), (4515, 15260), (4578, 15050), (4687, 14700), (4900, 14061), (5341, 12900), (5450, 12642), (6020, 11445), (6321, 10900), (6450, 10682), (6540, 10535), (7350, 9374), (7525, 9156), (7630, 9030), (8175, 8428)]