20736401760

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{647}}^1\times {\mathrm{2473}}^1$

素因数の和:3147

約数の個数: 240

約数和(自身を含む): 73324966176

約数和(自身を除く): 52588564416

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 216, 240, 270, 288, 324, 360, 405, 432, 480, 540, 647, 648, 720, 810, 864, 1080, 1294, 1296, 1440, 1620, 1941, 2160, 2473, 2588, 2592, 3235, 3240, 3882, 4320, 4946, 5176, 5823, 6470, 6480, 7419, 7764, 9705, 9892, 10352, 11646, 12365, 12940, 12960, 14838, 15528, 17469, 19410, 19784, 20704, 22257, 23292, 24730, 25880, 29115, 29676, 31056, 34938, 37095, 38820, 39568, 44514, 46584, 49460, 51760, 52407, 58230, 59352, 62112, 66771, 69876, 74190, 77640, 79136, 87345, 89028, 93168, 98920, 103520, 104814, 111285, 116460, 118704, 133542, 139752, 148380, 155280, 174690, 178056, 186336, 197840, 200313, 209628, 222570, 232920, 237408, 262035, 267084, 279504, 296760, 310560, 333855, 349380, 356112, 395680, 400626, 419256, 445140, 465840, 524070, 534168, 559008, 593520, 667710, 698760, 712224, 801252, 838512, 890280, 931680, 1001565, 1048140, 1068336, 1187040, 1335420, 1397520, 1600031, 1602504, 1677024, 1780560, 2003130, 2096280, 2136672, 2670840, 2795040, 3200062, 3205008, 3561120, 4006260, 4192560, 4800093, 5341680, 6400124, 6410016, 8000155, 8012520, 8385120, 9600186, 10683360, 12800248, 14400279, 16000310, 16025040, 19200372, 24000465, 25600496, 28800558, 32000620, 32050080, 38400744, 43200837, 48000930, 51200992, 57601116, 64001240, 72001395, 76801488, 86401674, 96001860, 115202232, 128002480, 129602511, 144002790, 153602976, 172803348, 192003720, 216004185, 230404464, 256004960, 259205022, 288005580, 345606696, 384007440, 432008370, 460808928, 518410044, 576011160, 648012555, 691213392, 768014880, 864016740, 1036820088, 1152022320, 1296025110, 1382426784, 1728033480, 2073640176, 2304044640, 2592050220, 3456066960, 4147280352, 5184100440, 6912133920, 10368200880, 20736401760]

約数ペア:

[(1, 20736401760), (2, 10368200880), (3, 6912133920), (4, 5184100440), (5, 4147280352), (6, 3456066960), (8, 2592050220), (9, 2304044640), (10, 2073640176), (12, 1728033480), (15, 1382426784), (16, 1296025110), (18, 1152022320), (20, 1036820088), (24, 864016740), (27, 768014880), (30, 691213392), (32, 648012555), (36, 576011160), (40, 518410044), (45, 460808928), (48, 432008370), (54, 384007440), (60, 345606696), (72, 288005580), (80, 259205022), (81, 256004960), (90, 230404464), (96, 216004185), (108, 192003720), (120, 172803348), (135, 153602976), (144, 144002790), (160, 129602511), (162, 128002480), (180, 115202232), (216, 96001860), (240, 86401674), (270, 76801488), (288, 72001395), (324, 64001240), (360, 57601116), (405, 51200992), (432, 48000930), (480, 43200837), (540, 38400744), (647, 32050080), (648, 32000620), (720, 28800558), (810, 25600496), (864, 24000465), (1080, 19200372), (1294, 16025040), (1296, 16000310), (1440, 14400279), (1620, 12800248), (1941, 10683360), (2160, 9600186), (2473, 8385120), (2588, 8012520), (2592, 8000155), (3235, 6410016), (3240, 6400124), (3882, 5341680), (4320, 4800093), (4946, 4192560), (5176, 4006260), (5823, 3561120), (6470, 3205008), (6480, 3200062), (7419, 2795040), (7764, 2670840), (9705, 2136672), (9892, 2096280), (10352, 2003130), (11646, 1780560), (12365, 1677024), (12940, 1602504), (12960, 1600031), (14838, 1397520), (15528, 1335420), (17469, 1187040), (19410, 1068336), (19784, 1048140), (20704, 1001565), (22257, 931680), (23292, 890280), (24730, 838512), (25880, 801252), (29115, 712224), (29676, 698760), (31056, 667710), (34938, 593520), (37095, 559008), (38820, 534168), (39568, 524070), (44514, 465840), (46584, 445140), (49460, 419256), (51760, 400626), (52407, 395680), (58230, 356112), (59352, 349380), (62112, 333855), (66771, 310560), (69876, 296760), (74190, 279504), (77640, 267084), (79136, 262035), (87345, 237408), (89028, 232920), (93168, 222570), (98920, 209628), (103520, 200313), (104814, 197840), (111285, 186336), (116460, 178056), (118704, 174690), (133542, 155280), (139752, 148380)]