68397840

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{331}}^1$

素因数の和:398

約数の個数: 240

約数和(自身を含む): 269732736

約数和(自身を除く): 201334896

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 41, 42, 45, 48, 56, 60, 63, 70, 72, 80, 82, 84, 90, 105, 112, 120, 123, 126, 140, 144, 164, 168, 180, 205, 210, 240, 246, 252, 280, 287, 315, 328, 331, 336, 360, 369, 410, 420, 492, 504, 560, 574, 615, 630, 656, 662, 720, 738, 820, 840, 861, 984, 993, 1008, 1148, 1230, 1260, 1324, 1435, 1476, 1640, 1655, 1680, 1722, 1845, 1968, 1986, 2296, 2317, 2460, 2520, 2583, 2648, 2870, 2952, 2979, 3280, 3310, 3444, 3690, 3972, 4305, 4592, 4634, 4920, 4965, 5040, 5166, 5296, 5740, 5904, 5958, 6620, 6888, 6951, 7380, 7944, 8610, 9268, 9840, 9930, 10332, 11480, 11585, 11916, 12915, 13240, 13571, 13776, 13902, 14760, 14895, 15888, 17220, 18536, 19860, 20664, 20853, 22960, 23170, 23832, 25830, 26480, 27142, 27804, 29520, 29790, 34440, 34755, 37072, 39720, 40713, 41328, 41706, 46340, 47664, 51660, 54284, 55608, 59580, 67855, 68880, 69510, 79440, 81426, 83412, 92680, 94997, 103320, 104265, 108568, 111216, 119160, 122139, 135710, 139020, 162852, 166824, 185360, 189994, 203565, 206640, 208530, 217136, 238320, 244278, 271420, 278040, 284991, 325704, 333648, 379988, 407130, 417060, 474985, 488556, 542840, 556080, 569982, 610695, 651408, 759976, 814260, 834120, 854973, 949970, 977112, 1085680, 1139964, 1221390, 1424955, 1519952, 1628520, 1668240, 1709946, 1899940, 1954224, 2279928, 2442780, 2849910, 3257040, 3419892, 3799880, 4274865, 4559856, 4885560, 5699820, 6839784, 7599760, 8549730, 9771120, 11399640, 13679568, 17099460, 22799280, 34198920, 68397840]

約数ペア:

[(1, 68397840), (2, 34198920), (3, 22799280), (4, 17099460), (5, 13679568), (6, 11399640), (7, 9771120), (8, 8549730), (9, 7599760), (10, 6839784), (12, 5699820), (14, 4885560), (15, 4559856), (16, 4274865), (18, 3799880), (20, 3419892), (21, 3257040), (24, 2849910), (28, 2442780), (30, 2279928), (35, 1954224), (36, 1899940), (40, 1709946), (41, 1668240), (42, 1628520), (45, 1519952), (48, 1424955), (56, 1221390), (60, 1139964), (63, 1085680), (70, 977112), (72, 949970), (80, 854973), (82, 834120), (84, 814260), (90, 759976), (105, 651408), (112, 610695), (120, 569982), (123, 556080), (126, 542840), (140, 488556), (144, 474985), (164, 417060), (168, 407130), (180, 379988), (205, 333648), (210, 325704), (240, 284991), (246, 278040), (252, 271420), (280, 244278), (287, 238320), (315, 217136), (328, 208530), (331, 206640), (336, 203565), (360, 189994), (369, 185360), (410, 166824), (420, 162852), (492, 139020), (504, 135710), (560, 122139), (574, 119160), (615, 111216), (630, 108568), (656, 104265), (662, 103320), (720, 94997), (738, 92680), (820, 83412), (840, 81426), (861, 79440), (984, 69510), (993, 68880), (1008, 67855), (1148, 59580), (1230, 55608), (1260, 54284), (1324, 51660), (1435, 47664), (1476, 46340), (1640, 41706), (1655, 41328), (1680, 40713), (1722, 39720), (1845, 37072), (1968, 34755), (1986, 34440), (2296, 29790), (2317, 29520), (2460, 27804), (2520, 27142), (2583, 26480), (2648, 25830), (2870, 23832), (2952, 23170), (2979, 22960), (3280, 20853), (3310, 20664), (3444, 19860), (3690, 18536), (3972, 17220), (4305, 15888), (4592, 14895), (4634, 14760), (4920, 13902), (4965, 13776), (5040, 13571), (5166, 13240), (5296, 12915), (5740, 11916), (5904, 11585), (5958, 11480), (6620, 10332), (6888, 9930), (6951, 9840), (7380, 9268), (7944, 8610)]