68321640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{313}}^1$

素因数の和:451

約数の個数: 128

約数和(自身を含む): 219749760

約数和(自身を除く): 151428120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 107, 120, 136, 170, 204, 214, 255, 313, 321, 340, 408, 428, 510, 535, 626, 642, 680, 856, 939, 1020, 1070, 1252, 1284, 1565, 1605, 1819, 1878, 2040, 2140, 2504, 2568, 3130, 3210, 3638, 3756, 4280, 4695, 5321, 5457, 6260, 6420, 7276, 7512, 9095, 9390, 10642, 10914, 12520, 12840, 14552, 15963, 18190, 18780, 21284, 21828, 26605, 27285, 31926, 33491, 36380, 37560, 42568, 43656, 53210, 54570, 63852, 66982, 72760, 79815, 100473, 106420, 109140, 127704, 133964, 159630, 167455, 200946, 212840, 218280, 267928, 319260, 334910, 401892, 502365, 569347, 638520, 669820, 803784, 1004730, 1138694, 1339640, 1708041, 2009460, 2277388, 2846735, 3416082, 4018920, 4554776, 5693470, 6832164, 8540205, 11386940, 13664328, 17080410, 22773880, 34160820, 68321640]

約数ペア:

[(1, 68321640), (2, 34160820), (3, 22773880), (4, 17080410), (5, 13664328), (6, 11386940), (8, 8540205), (10, 6832164), (12, 5693470), (15, 4554776), (17, 4018920), (20, 3416082), (24, 2846735), (30, 2277388), (34, 2009460), (40, 1708041), (51, 1339640), (60, 1138694), (68, 1004730), (85, 803784), (102, 669820), (107, 638520), (120, 569347), (136, 502365), (170, 401892), (204, 334910), (214, 319260), (255, 267928), (313, 218280), (321, 212840), (340, 200946), (408, 167455), (428, 159630), (510, 133964), (535, 127704), (626, 109140), (642, 106420), (680, 100473), (856, 79815), (939, 72760), (1020, 66982), (1070, 63852), (1252, 54570), (1284, 53210), (1565, 43656), (1605, 42568), (1819, 37560), (1878, 36380), (2040, 33491), (2140, 31926), (2504, 27285), (2568, 26605), (3130, 21828), (3210, 21284), (3638, 18780), (3756, 18190), (4280, 15963), (4695, 14552), (5321, 12840), (5457, 12520), (6260, 10914), (6420, 10642), (7276, 9390), (7512, 9095)]