68808840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{349}}^1$

素因数の和:447

約数の個数: 128

約数和(自身を含む): 217728000

約数和(自身を除く): 148919160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 53, 60, 62, 93, 106, 120, 124, 155, 159, 186, 212, 248, 265, 310, 318, 349, 372, 424, 465, 530, 620, 636, 698, 744, 795, 930, 1047, 1060, 1240, 1272, 1396, 1590, 1643, 1745, 1860, 2094, 2120, 2792, 3180, 3286, 3490, 3720, 4188, 4929, 5235, 6360, 6572, 6980, 8215, 8376, 9858, 10470, 10819, 13144, 13960, 16430, 18497, 19716, 20940, 21638, 24645, 32457, 32860, 36994, 39432, 41880, 43276, 49290, 54095, 55491, 64914, 65720, 73988, 86552, 92485, 98580, 108190, 110982, 129828, 147976, 162285, 184970, 197160, 216380, 221964, 259656, 277455, 324570, 369940, 432760, 443928, 554910, 573407, 649140, 739880, 1109820, 1146814, 1298280, 1720221, 2219640, 2293628, 2867035, 3440442, 4587256, 5734070, 6880884, 8601105, 11468140, 13761768, 17202210, 22936280, 34404420, 68808840]

約数ペア:

[(1, 68808840), (2, 34404420), (3, 22936280), (4, 17202210), (5, 13761768), (6, 11468140), (8, 8601105), (10, 6880884), (12, 5734070), (15, 4587256), (20, 3440442), (24, 2867035), (30, 2293628), (31, 2219640), (40, 1720221), (53, 1298280), (60, 1146814), (62, 1109820), (93, 739880), (106, 649140), (120, 573407), (124, 554910), (155, 443928), (159, 432760), (186, 369940), (212, 324570), (248, 277455), (265, 259656), (310, 221964), (318, 216380), (349, 197160), (372, 184970), (424, 162285), (465, 147976), (530, 129828), (620, 110982), (636, 108190), (698, 98580), (744, 92485), (795, 86552), (930, 73988), (1047, 65720), (1060, 64914), (1240, 55491), (1272, 54095), (1396, 49290), (1590, 43276), (1643, 41880), (1745, 39432), (1860, 36994), (2094, 32860), (2120, 32457), (2792, 24645), (3180, 21638), (3286, 20940), (3490, 19716), (3720, 18497), (4188, 16430), (4929, 13960), (5235, 13144), (6360, 10819), (6572, 10470), (6980, 9858), (8215, 8376)]