68334640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:171

約数の個数: 160

約数和(自身を含む): 188202240

約数和(自身を除く): 119867600

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 61, 67, 76, 80, 88, 95, 110, 122, 134, 152, 176, 190, 209, 220, 244, 268, 304, 305, 335, 380, 418, 440, 488, 536, 610, 670, 671, 737, 760, 836, 880, 976, 1045, 1072, 1159, 1220, 1273, 1340, 1342, 1474, 1520, 1672, 2090, 2318, 2440, 2546, 2680, 2684, 2948, 3344, 3355, 3685, 4087, 4180, 4636, 4880, 5092, 5360, 5368, 5795, 5896, 6365, 6710, 7370, 8174, 8360, 9272, 10184, 10736, 11590, 11792, 12730, 12749, 13420, 14003, 14740, 16348, 16720, 18544, 20368, 20435, 23180, 25460, 25498, 26840, 28006, 29480, 32696, 40870, 44957, 46360, 50920, 50996, 53680, 56012, 58960, 63745, 65392, 70015, 77653, 81740, 89914, 92720, 101840, 101992, 112024, 127490, 140030, 155306, 163480, 179828, 203984, 224048, 224785, 254980, 280060, 310612, 326960, 359656, 388265, 449570, 509960, 560120, 621224, 719312, 776530, 854183, 899140, 1019920, 1120240, 1242448, 1553060, 1708366, 1798280, 3106120, 3416732, 3596560, 4270915, 6212240, 6833464, 8541830, 13666928, 17083660, 34167320, 68334640]

約数ペア:

[(1, 68334640), (2, 34167320), (4, 17083660), (5, 13666928), (8, 8541830), (10, 6833464), (11, 6212240), (16, 4270915), (19, 3596560), (20, 3416732), (22, 3106120), (38, 1798280), (40, 1708366), (44, 1553060), (55, 1242448), (61, 1120240), (67, 1019920), (76, 899140), (80, 854183), (88, 776530), (95, 719312), (110, 621224), (122, 560120), (134, 509960), (152, 449570), (176, 388265), (190, 359656), (209, 326960), (220, 310612), (244, 280060), (268, 254980), (304, 224785), (305, 224048), (335, 203984), (380, 179828), (418, 163480), (440, 155306), (488, 140030), (536, 127490), (610, 112024), (670, 101992), (671, 101840), (737, 92720), (760, 89914), (836, 81740), (880, 77653), (976, 70015), (1045, 65392), (1072, 63745), (1159, 58960), (1220, 56012), (1273, 53680), (1340, 50996), (1342, 50920), (1474, 46360), (1520, 44957), (1672, 40870), (2090, 32696), (2318, 29480), (2440, 28006), (2546, 26840), (2680, 25498), (2684, 25460), (2948, 23180), (3344, 20435), (3355, 20368), (3685, 18544), (4087, 16720), (4180, 16348), (4636, 14740), (4880, 14003), (5092, 13420), (5360, 12749), (5368, 12730), (5795, 11792), (5896, 11590), (6365, 10736), (6710, 10184), (7370, 9272), (8174, 8360)]