81121248

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{461}}^1$

素因数の和:537

約数の個数: 144

約数和(自身を含む): 254270016

約数和(自身を除く): 173148768

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 47, 48, 52, 72, 78, 94, 96, 104, 117, 141, 144, 156, 188, 208, 234, 282, 288, 312, 376, 416, 423, 461, 468, 564, 611, 624, 752, 846, 922, 936, 1128, 1222, 1248, 1383, 1504, 1692, 1833, 1844, 1872, 2256, 2444, 2766, 3384, 3666, 3688, 3744, 4149, 4512, 4888, 5499, 5532, 5993, 6768, 7332, 7376, 8298, 9776, 10998, 11064, 11986, 13536, 14664, 14752, 16596, 17979, 19552, 21667, 21996, 22128, 23972, 29328, 33192, 35958, 43334, 43992, 44256, 47944, 53937, 58656, 65001, 66384, 71916, 86668, 87984, 95888, 107874, 130002, 132768, 143832, 173336, 175968, 191776, 195003, 215748, 260004, 281671, 287664, 346672, 390006, 431496, 520008, 563342, 575328, 693344, 780012, 845013, 862992, 1040016, 1126684, 1560024, 1690026, 1725984, 2080032, 2253368, 2535039, 3120048, 3380052, 4506736, 5070078, 6240096, 6760104, 9013472, 10140156, 13520208, 20280312, 27040416, 40560624, 81121248]

約数ペア:

[(1, 81121248), (2, 40560624), (3, 27040416), (4, 20280312), (6, 13520208), (8, 10140156), (9, 9013472), (12, 6760104), (13, 6240096), (16, 5070078), (18, 4506736), (24, 3380052), (26, 3120048), (32, 2535039), (36, 2253368), (39, 2080032), (47, 1725984), (48, 1690026), (52, 1560024), (72, 1126684), (78, 1040016), (94, 862992), (96, 845013), (104, 780012), (117, 693344), (141, 575328), (144, 563342), (156, 520008), (188, 431496), (208, 390006), (234, 346672), (282, 287664), (288, 281671), (312, 260004), (376, 215748), (416, 195003), (423, 191776), (461, 175968), (468, 173336), (564, 143832), (611, 132768), (624, 130002), (752, 107874), (846, 95888), (922, 87984), (936, 86668), (1128, 71916), (1222, 66384), (1248, 65001), (1383, 58656), (1504, 53937), (1692, 47944), (1833, 44256), (1844, 43992), (1872, 43334), (2256, 35958), (2444, 33192), (2766, 29328), (3384, 23972), (3666, 22128), (3688, 21996), (3744, 21667), (4149, 19552), (4512, 17979), (4888, 16596), (5499, 14752), (5532, 14664), (5993, 13536), (6768, 11986), (7332, 11064), (7376, 10998), (8298, 9776)]