91736680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:251

約数の個数: 128

約数和(自身を含む): 247484160

約数和(自身を除く): 155747480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 56, 61, 70, 82, 122, 131, 140, 164, 205, 244, 262, 280, 287, 305, 328, 410, 427, 488, 524, 574, 610, 655, 820, 854, 917, 1048, 1148, 1220, 1310, 1435, 1640, 1708, 1834, 2135, 2296, 2440, 2501, 2620, 2870, 3416, 3668, 4270, 4585, 5002, 5240, 5371, 5740, 7336, 7991, 8540, 9170, 10004, 10742, 11480, 12505, 15982, 17080, 17507, 18340, 20008, 21484, 25010, 26855, 31964, 35014, 36680, 37597, 39955, 42968, 50020, 53710, 55937, 63928, 70028, 75194, 79910, 87535, 100040, 107420, 111874, 140056, 150388, 159820, 175070, 187985, 214840, 223748, 279685, 300776, 319640, 327631, 350140, 375970, 447496, 559370, 655262, 700280, 751940, 1118740, 1310524, 1503880, 1638155, 2237480, 2293417, 2621048, 3276310, 4586834, 6552620, 9173668, 11467085, 13105240, 18347336, 22934170, 45868340, 91736680]

約数ペア:

[(1, 91736680), (2, 45868340), (4, 22934170), (5, 18347336), (7, 13105240), (8, 11467085), (10, 9173668), (14, 6552620), (20, 4586834), (28, 3276310), (35, 2621048), (40, 2293417), (41, 2237480), (56, 1638155), (61, 1503880), (70, 1310524), (82, 1118740), (122, 751940), (131, 700280), (140, 655262), (164, 559370), (205, 447496), (244, 375970), (262, 350140), (280, 327631), (287, 319640), (305, 300776), (328, 279685), (410, 223748), (427, 214840), (488, 187985), (524, 175070), (574, 159820), (610, 150388), (655, 140056), (820, 111874), (854, 107420), (917, 100040), (1048, 87535), (1148, 79910), (1220, 75194), (1310, 70028), (1435, 63928), (1640, 55937), (1708, 53710), (1834, 50020), (2135, 42968), (2296, 39955), (2440, 37597), (2501, 36680), (2620, 35014), (2870, 31964), (3416, 26855), (3668, 25010), (4270, 21484), (4585, 20008), (5002, 18340), (5240, 17507), (5371, 17080), (5740, 15982), (7336, 12505), (7991, 11480), (8540, 10742), (9170, 10004)]