138720400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1$

素因数の和:178

約数の個数: 240

約数和(自身を含む): 425361664

約数和(自身を除く): 286641264

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 25, 26, 28, 35, 37, 40, 50, 52, 56, 65, 70, 74, 80, 91, 100, 103, 104, 112, 130, 140, 148, 175, 182, 185, 200, 206, 208, 259, 260, 280, 296, 325, 350, 364, 370, 400, 412, 455, 481, 515, 518, 520, 560, 592, 650, 700, 721, 728, 740, 824, 910, 925, 962, 1030, 1036, 1040, 1295, 1300, 1339, 1400, 1442, 1456, 1480, 1648, 1820, 1850, 1924, 2060, 2072, 2275, 2405, 2575, 2590, 2600, 2678, 2800, 2884, 2960, 3367, 3605, 3640, 3700, 3811, 3848, 4120, 4144, 4550, 4810, 5150, 5180, 5200, 5356, 5768, 6475, 6695, 6734, 7210, 7280, 7400, 7622, 7696, 8240, 9100, 9373, 9620, 10300, 10360, 10712, 11536, 12025, 12950, 13390, 13468, 14420, 14800, 15244, 16835, 18025, 18200, 18746, 19055, 19240, 20600, 20720, 21424, 24050, 25900, 26677, 26780, 26936, 28840, 30488, 33475, 33670, 36050, 36400, 37492, 38110, 38480, 41200, 46865, 48100, 49543, 51800, 53354, 53560, 53872, 57680, 60976, 66950, 67340, 72100, 74984, 76220, 84175, 93730, 95275, 96200, 99086, 103600, 106708, 107120, 133385, 133900, 134680, 144200, 149968, 152440, 168350, 187460, 190550, 192400, 198172, 213416, 234325, 247715, 266770, 267800, 269360, 288400, 304880, 336700, 346801, 374920, 381100, 396344, 426832, 468650, 495430, 533540, 535600, 666925, 673400, 693602, 749840, 762200, 792688, 937300, 990860, 1067080, 1238575, 1333850, 1346800, 1387204, 1524400, 1734005, 1874600, 1981720, 2134160, 2477150, 2667700, 2774408, 3468010, 3749200, 3963440, 4954300, 5335400, 5548816, 6936020, 8670025, 9908600, 10670800, 13872040, 17340050, 19817200, 27744080, 34680100, 69360200, 138720400]

約数ペア:

[(1, 138720400), (2, 69360200), (4, 34680100), (5, 27744080), (7, 19817200), (8, 17340050), (10, 13872040), (13, 10670800), (14, 9908600), (16, 8670025), (20, 6936020), (25, 5548816), (26, 5335400), (28, 4954300), (35, 3963440), (37, 3749200), (40, 3468010), (50, 2774408), (52, 2667700), (56, 2477150), (65, 2134160), (70, 1981720), (74, 1874600), (80, 1734005), (91, 1524400), (100, 1387204), (103, 1346800), (104, 1333850), (112, 1238575), (130, 1067080), (140, 990860), (148, 937300), (175, 792688), (182, 762200), (185, 749840), (200, 693602), (206, 673400), (208, 666925), (259, 535600), (260, 533540), (280, 495430), (296, 468650), (325, 426832), (350, 396344), (364, 381100), (370, 374920), (400, 346801), (412, 336700), (455, 304880), (481, 288400), (515, 269360), (518, 267800), (520, 266770), (560, 247715), (592, 234325), (650, 213416), (700, 198172), (721, 192400), (728, 190550), (740, 187460), (824, 168350), (910, 152440), (925, 149968), (962, 144200), (1030, 134680), (1036, 133900), (1040, 133385), (1295, 107120), (1300, 106708), (1339, 103600), (1400, 99086), (1442, 96200), (1456, 95275), (1480, 93730), (1648, 84175), (1820, 76220), (1850, 74984), (1924, 72100), (2060, 67340), (2072, 66950), (2275, 60976), (2405, 57680), (2575, 53872), (2590, 53560), (2600, 53354), (2678, 51800), (2800, 49543), (2884, 48100), (2960, 46865), (3367, 41200), (3605, 38480), (3640, 38110), (3700, 37492), (3811, 36400), (3848, 36050), (4120, 33670), (4144, 33475), (4550, 30488), (4810, 28840), (5150, 26936), (5180, 26780), (5200, 26677), (5356, 25900), (5768, 24050), (6475, 21424), (6695, 20720), (6734, 20600), (7210, 19240), (7280, 19055), (7400, 18746), (7622, 18200), (7696, 18025), (8240, 16835), (9100, 15244), (9373, 14800), (9620, 14420), (10300, 13468), (10360, 13390), (10712, 12950), (11536, 12025)]