81734184

素因数分解:

$2^3\times 3^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{487}}^1$

素因数の和:549

約数の個数: 160

約数和(自身を含む): 269258880

約数和(自身を除く): 187524696

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 37, 42, 54, 56, 63, 72, 74, 81, 84, 108, 111, 126, 148, 162, 168, 189, 216, 222, 252, 259, 296, 324, 333, 378, 444, 487, 504, 518, 567, 648, 666, 756, 777, 888, 974, 999, 1036, 1134, 1332, 1461, 1512, 1554, 1948, 1998, 2072, 2268, 2331, 2664, 2922, 2997, 3108, 3409, 3896, 3996, 4383, 4536, 4662, 5844, 5994, 6216, 6818, 6993, 7992, 8766, 9324, 10227, 11688, 11988, 13149, 13636, 13986, 17532, 18019, 18648, 20454, 20979, 23976, 26298, 27272, 27972, 30681, 35064, 36038, 39447, 40908, 41958, 52596, 54057, 55944, 61362, 72076, 78894, 81816, 83916, 92043, 105192, 108114, 122724, 126133, 144152, 157788, 162171, 167832, 184086, 216228, 245448, 252266, 276129, 315576, 324342, 368172, 378399, 432456, 486513, 504532, 552258, 648684, 736344, 756798, 973026, 1009064, 1104516, 1135197, 1297368, 1459539, 1513596, 1946052, 2209032, 2270394, 2919078, 3027192, 3405591, 3892104, 4540788, 5838156, 6811182, 9081576, 10216773, 11676312, 13622364, 20433546, 27244728, 40867092, 81734184]

約数ペア:

[(1, 81734184), (2, 40867092), (3, 27244728), (4, 20433546), (6, 13622364), (7, 11676312), (8, 10216773), (9, 9081576), (12, 6811182), (14, 5838156), (18, 4540788), (21, 3892104), (24, 3405591), (27, 3027192), (28, 2919078), (36, 2270394), (37, 2209032), (42, 1946052), (54, 1513596), (56, 1459539), (63, 1297368), (72, 1135197), (74, 1104516), (81, 1009064), (84, 973026), (108, 756798), (111, 736344), (126, 648684), (148, 552258), (162, 504532), (168, 486513), (189, 432456), (216, 378399), (222, 368172), (252, 324342), (259, 315576), (296, 276129), (324, 252266), (333, 245448), (378, 216228), (444, 184086), (487, 167832), (504, 162171), (518, 157788), (567, 144152), (648, 126133), (666, 122724), (756, 108114), (777, 105192), (888, 92043), (974, 83916), (999, 81816), (1036, 78894), (1134, 72076), (1332, 61362), (1461, 55944), (1512, 54057), (1554, 52596), (1948, 41958), (1998, 40908), (2072, 39447), (2268, 36038), (2331, 35064), (2664, 30681), (2922, 27972), (2997, 27272), (3108, 26298), (3409, 23976), (3896, 20979), (3996, 20454), (4383, 18648), (4536, 18019), (4662, 17532), (5844, 13986), (5994, 13636), (6216, 13149), (6818, 11988), (6993, 11688), (7992, 10227), (8766, 9324)]