68041280

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^3\times {\mathrm{31}}^1$

素因数の和:105

約数の個数: 112

約数和(自身を含む): 176540160

約数和(自身を除く): 108498880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 62, 64, 76, 80, 95, 124, 152, 155, 160, 190, 248, 304, 310, 320, 361, 380, 496, 589, 608, 620, 722, 760, 992, 1178, 1216, 1240, 1444, 1520, 1805, 1984, 2356, 2480, 2888, 2945, 3040, 3610, 4712, 4960, 5776, 5890, 6080, 6859, 7220, 9424, 9920, 11191, 11552, 11780, 13718, 14440, 18848, 22382, 23104, 23560, 27436, 28880, 34295, 37696, 44764, 47120, 54872, 55955, 57760, 68590, 89528, 94240, 109744, 111910, 115520, 137180, 179056, 188480, 212629, 219488, 223820, 274360, 358112, 425258, 438976, 447640, 548720, 716224, 850516, 895280, 1063145, 1097440, 1701032, 1790560, 2126290, 2194880, 3402064, 3581120, 4252580, 6804128, 8505160, 13608256, 17010320, 34020640, 68041280]

約数ペア:

[(1, 68041280), (2, 34020640), (4, 17010320), (5, 13608256), (8, 8505160), (10, 6804128), (16, 4252580), (19, 3581120), (20, 3402064), (31, 2194880), (32, 2126290), (38, 1790560), (40, 1701032), (62, 1097440), (64, 1063145), (76, 895280), (80, 850516), (95, 716224), (124, 548720), (152, 447640), (155, 438976), (160, 425258), (190, 358112), (248, 274360), (304, 223820), (310, 219488), (320, 212629), (361, 188480), (380, 179056), (496, 137180), (589, 115520), (608, 111910), (620, 109744), (722, 94240), (760, 89528), (992, 68590), (1178, 57760), (1216, 55955), (1240, 54872), (1444, 47120), (1520, 44764), (1805, 37696), (1984, 34295), (2356, 28880), (2480, 27436), (2888, 23560), (2945, 23104), (3040, 22382), (3610, 18848), (4712, 14440), (4960, 13718), (5776, 11780), (5890, 11552), (6080, 11191), (6859, 9920), (7220, 9424)]