68676640

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1$

素因数の和:123

約数の個数: 144

約数和(自身を含む): 181462680

約数和(自身を除く): 112786040

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 29, 32, 38, 40, 41, 58, 76, 80, 82, 95, 116, 145, 152, 160, 164, 190, 205, 232, 290, 304, 328, 361, 380, 410, 464, 551, 580, 608, 656, 722, 760, 779, 820, 928, 1102, 1160, 1189, 1312, 1444, 1520, 1558, 1640, 1805, 2204, 2320, 2378, 2755, 2888, 3040, 3116, 3280, 3610, 3895, 4408, 4640, 4756, 5510, 5776, 5945, 6232, 6560, 7220, 7790, 8816, 9512, 10469, 11020, 11552, 11890, 12464, 14440, 14801, 15580, 17632, 19024, 20938, 22040, 22591, 23780, 24928, 28880, 29602, 31160, 38048, 41876, 44080, 45182, 47560, 52345, 57760, 59204, 62320, 74005, 83752, 88160, 90364, 95120, 104690, 112955, 118408, 124640, 148010, 167504, 180728, 190240, 209380, 225910, 236816, 296020, 335008, 361456, 418760, 429229, 451820, 473632, 592040, 722912, 837520, 858458, 903640, 1184080, 1675040, 1716916, 1807280, 2146145, 2368160, 3433832, 3614560, 4292290, 6867664, 8584580, 13735328, 17169160, 34338320, 68676640]

約数ペア:

[(1, 68676640), (2, 34338320), (4, 17169160), (5, 13735328), (8, 8584580), (10, 6867664), (16, 4292290), (19, 3614560), (20, 3433832), (29, 2368160), (32, 2146145), (38, 1807280), (40, 1716916), (41, 1675040), (58, 1184080), (76, 903640), (80, 858458), (82, 837520), (95, 722912), (116, 592040), (145, 473632), (152, 451820), (160, 429229), (164, 418760), (190, 361456), (205, 335008), (232, 296020), (290, 236816), (304, 225910), (328, 209380), (361, 190240), (380, 180728), (410, 167504), (464, 148010), (551, 124640), (580, 118408), (608, 112955), (656, 104690), (722, 95120), (760, 90364), (779, 88160), (820, 83752), (928, 74005), (1102, 62320), (1160, 59204), (1189, 57760), (1312, 52345), (1444, 47560), (1520, 45182), (1558, 44080), (1640, 41876), (1805, 38048), (2204, 31160), (2320, 29602), (2378, 28880), (2755, 24928), (2888, 23780), (3040, 22591), (3116, 22040), (3280, 20938), (3610, 19024), (3895, 17632), (4408, 15580), (4640, 14801), (4756, 14440), (5510, 12464), (5776, 11890), (5945, 11552), (6232, 11020), (6560, 10469), (7220, 9512), (7790, 8816)]