81641520

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{293}}^1$

素因数の和:361

約数の個数: 200

約数和(自身を含む): 291137616

約数和(自身を除く): 209496096

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 43, 45, 48, 54, 60, 72, 80, 81, 86, 90, 108, 120, 129, 135, 144, 162, 172, 180, 215, 216, 240, 258, 270, 293, 324, 344, 360, 387, 405, 430, 432, 516, 540, 586, 645, 648, 688, 720, 774, 810, 860, 879, 1032, 1080, 1161, 1172, 1290, 1296, 1465, 1548, 1620, 1720, 1758, 1935, 2064, 2160, 2322, 2344, 2580, 2637, 2930, 3096, 3240, 3440, 3483, 3516, 3870, 4395, 4644, 4688, 5160, 5274, 5805, 5860, 6192, 6480, 6966, 7032, 7740, 7911, 8790, 9288, 10320, 10548, 11610, 11720, 12599, 13185, 13932, 14064, 15480, 15822, 17415, 17580, 18576, 21096, 23220, 23440, 23733, 25198, 26370, 27864, 30960, 31644, 34830, 35160, 37797, 39555, 42192, 46440, 47466, 50396, 52740, 55728, 62995, 63288, 69660, 70320, 75594, 79110, 92880, 94932, 100792, 105480, 113391, 118665, 125990, 126576, 139320, 151188, 158220, 188985, 189864, 201584, 210960, 226782, 237330, 251980, 278640, 302376, 316440, 340173, 377970, 379728, 453564, 474660, 503960, 566955, 604752, 632880, 680346, 755940, 907128, 949320, 1007920, 1020519, 1133910, 1360692, 1511880, 1700865, 1814256, 1898640, 2041038, 2267820, 2721384, 3023760, 3401730, 4082076, 4535640, 5102595, 5442768, 6803460, 8164152, 9071280, 10205190, 13606920, 16328304, 20410380, 27213840, 40820760, 81641520]

約数ペア:

[(1, 81641520), (2, 40820760), (3, 27213840), (4, 20410380), (5, 16328304), (6, 13606920), (8, 10205190), (9, 9071280), (10, 8164152), (12, 6803460), (15, 5442768), (16, 5102595), (18, 4535640), (20, 4082076), (24, 3401730), (27, 3023760), (30, 2721384), (36, 2267820), (40, 2041038), (43, 1898640), (45, 1814256), (48, 1700865), (54, 1511880), (60, 1360692), (72, 1133910), (80, 1020519), (81, 1007920), (86, 949320), (90, 907128), (108, 755940), (120, 680346), (129, 632880), (135, 604752), (144, 566955), (162, 503960), (172, 474660), (180, 453564), (215, 379728), (216, 377970), (240, 340173), (258, 316440), (270, 302376), (293, 278640), (324, 251980), (344, 237330), (360, 226782), (387, 210960), (405, 201584), (430, 189864), (432, 188985), (516, 158220), (540, 151188), (586, 139320), (645, 126576), (648, 125990), (688, 118665), (720, 113391), (774, 105480), (810, 100792), (860, 94932), (879, 92880), (1032, 79110), (1080, 75594), (1161, 70320), (1172, 69660), (1290, 63288), (1296, 62995), (1465, 55728), (1548, 52740), (1620, 50396), (1720, 47466), (1758, 46440), (1935, 42192), (2064, 39555), (2160, 37797), (2322, 35160), (2344, 34830), (2580, 31644), (2637, 30960), (2930, 27864), (3096, 26370), (3240, 25198), (3440, 23733), (3483, 23440), (3516, 23220), (3870, 21096), (4395, 18576), (4644, 17580), (4688, 17415), (5160, 15822), (5274, 15480), (5805, 14064), (5860, 13932), (6192, 13185), (6480, 12599), (6966, 11720), (7032, 11610), (7740, 10548), (7911, 10320), (8790, 9288)]