81929988

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1$

素因数の和:187

約数の個数: 192

約数和(自身を含む): 260467200

約数和(自身を除く): 178537212

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 29, 36, 37, 42, 54, 58, 63, 74, 84, 87, 101, 108, 111, 116, 126, 148, 174, 189, 202, 203, 222, 252, 259, 261, 303, 333, 348, 378, 404, 406, 444, 518, 522, 606, 609, 666, 707, 756, 777, 783, 812, 909, 999, 1036, 1044, 1073, 1212, 1218, 1332, 1414, 1554, 1566, 1818, 1827, 1998, 2121, 2146, 2331, 2436, 2727, 2828, 2929, 3108, 3132, 3219, 3636, 3654, 3737, 3996, 4242, 4292, 4662, 5454, 5481, 5858, 6363, 6438, 6993, 7308, 7474, 7511, 8484, 8787, 9324, 9657, 10908, 10962, 11211, 11716, 12726, 12876, 13986, 14948, 15022, 17574, 19089, 19314, 20503, 21924, 22422, 22533, 25452, 26159, 26361, 27972, 28971, 30044, 33633, 35148, 38178, 38628, 41006, 44844, 45066, 52318, 52722, 57942, 61509, 67266, 67599, 76356, 78477, 79083, 82012, 90132, 100899, 104636, 105444, 108373, 115884, 123018, 134532, 135198, 156954, 158166, 184527, 201798, 202797, 216746, 235431, 246036, 270396, 313908, 316332, 325119, 369054, 403596, 405594, 433492, 470862, 553581, 650238, 706293, 738108, 758611, 811188, 941724, 975357, 1107162, 1300476, 1412586, 1517222, 1950714, 2214324, 2275833, 2825172, 2926071, 3034444, 3901428, 4551666, 5852142, 6827499, 9103332, 11704284, 13654998, 20482497, 27309996, 40964994, 81929988]

約数ペア:

[(1, 81929988), (2, 40964994), (3, 27309996), (4, 20482497), (6, 13654998), (7, 11704284), (9, 9103332), (12, 6827499), (14, 5852142), (18, 4551666), (21, 3901428), (27, 3034444), (28, 2926071), (29, 2825172), (36, 2275833), (37, 2214324), (42, 1950714), (54, 1517222), (58, 1412586), (63, 1300476), (74, 1107162), (84, 975357), (87, 941724), (101, 811188), (108, 758611), (111, 738108), (116, 706293), (126, 650238), (148, 553581), (174, 470862), (189, 433492), (202, 405594), (203, 403596), (222, 369054), (252, 325119), (259, 316332), (261, 313908), (303, 270396), (333, 246036), (348, 235431), (378, 216746), (404, 202797), (406, 201798), (444, 184527), (518, 158166), (522, 156954), (606, 135198), (609, 134532), (666, 123018), (707, 115884), (756, 108373), (777, 105444), (783, 104636), (812, 100899), (909, 90132), (999, 82012), (1036, 79083), (1044, 78477), (1073, 76356), (1212, 67599), (1218, 67266), (1332, 61509), (1414, 57942), (1554, 52722), (1566, 52318), (1818, 45066), (1827, 44844), (1998, 41006), (2121, 38628), (2146, 38178), (2331, 35148), (2436, 33633), (2727, 30044), (2828, 28971), (2929, 27972), (3108, 26361), (3132, 26159), (3219, 25452), (3636, 22533), (3654, 22422), (3737, 21924), (3996, 20503), (4242, 19314), (4292, 19089), (4662, 17574), (5454, 15022), (5481, 14948), (5858, 13986), (6363, 12876), (6438, 12726), (6993, 11716), (7308, 11211), (7474, 10962), (7511, 10908), (8484, 9657), (8787, 9324)]