21798720

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{29}}^2$

素因数の和:87

約数の個数: 210

約数和(自身を含む): 80307942

約数和(自身を除く): 58509222

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 29, 30, 32, 36, 40, 45, 48, 54, 58, 60, 64, 72, 80, 81, 87, 90, 96, 108, 116, 120, 135, 144, 145, 160, 162, 174, 180, 192, 216, 232, 240, 261, 270, 288, 290, 320, 324, 348, 360, 405, 432, 435, 464, 480, 522, 540, 576, 580, 648, 696, 720, 783, 810, 841, 864, 870, 928, 960, 1044, 1080, 1160, 1296, 1305, 1392, 1440, 1566, 1620, 1682, 1728, 1740, 1856, 2088, 2160, 2320, 2349, 2523, 2592, 2610, 2784, 2880, 3132, 3240, 3364, 3480, 3915, 4176, 4205, 4320, 4640, 4698, 5046, 5184, 5220, 5568, 6264, 6480, 6728, 6960, 7569, 7830, 8352, 8410, 8640, 9280, 9396, 10092, 10440, 11745, 12528, 12615, 12960, 13456, 13920, 15138, 15660, 16704, 16820, 18792, 20184, 20880, 22707, 23490, 25056, 25230, 25920, 26912, 27840, 30276, 31320, 33640, 37584, 37845, 40368, 41760, 45414, 46980, 50112, 50460, 53824, 60552, 62640, 67280, 68121, 75168, 75690, 80736, 83520, 90828, 93960, 100920, 113535, 121104, 125280, 134560, 136242, 150336, 151380, 161472, 181656, 187920, 201840, 227070, 242208, 250560, 269120, 272484, 302760, 340605, 363312, 375840, 403680, 454140, 484416, 544968, 605520, 681210, 726624, 751680, 807360, 908280, 1089936, 1211040, 1362420, 1453248, 1816560, 2179872, 2422080, 2724840, 3633120, 4359744, 5449680, 7266240, 10899360, 21798720]

約数ペア:

[(1, 21798720), (2, 10899360), (3, 7266240), (4, 5449680), (5, 4359744), (6, 3633120), (8, 2724840), (9, 2422080), (10, 2179872), (12, 1816560), (15, 1453248), (16, 1362420), (18, 1211040), (20, 1089936), (24, 908280), (27, 807360), (29, 751680), (30, 726624), (32, 681210), (36, 605520), (40, 544968), (45, 484416), (48, 454140), (54, 403680), (58, 375840), (60, 363312), (64, 340605), (72, 302760), (80, 272484), (81, 269120), (87, 250560), (90, 242208), (96, 227070), (108, 201840), (116, 187920), (120, 181656), (135, 161472), (144, 151380), (145, 150336), (160, 136242), (162, 134560), (174, 125280), (180, 121104), (192, 113535), (216, 100920), (232, 93960), (240, 90828), (261, 83520), (270, 80736), (288, 75690), (290, 75168), (320, 68121), (324, 67280), (348, 62640), (360, 60552), (405, 53824), (432, 50460), (435, 50112), (464, 46980), (480, 45414), (522, 41760), (540, 40368), (576, 37845), (580, 37584), (648, 33640), (696, 31320), (720, 30276), (783, 27840), (810, 26912), (841, 25920), (864, 25230), (870, 25056), (928, 23490), (960, 22707), (1044, 20880), (1080, 20184), (1160, 18792), (1296, 16820), (1305, 16704), (1392, 15660), (1440, 15138), (1566, 13920), (1620, 13456), (1682, 12960), (1728, 12615), (1740, 12528), (1856, 11745), (2088, 10440), (2160, 10092), (2320, 9396), (2349, 9280), (2523, 8640), (2592, 8410), (2610, 8352), (2784, 7830), (2880, 7569), (3132, 6960), (3240, 6728), (3364, 6480), (3480, 6264), (3915, 5568), (4176, 5220), (4205, 5184), (4320, 5046), (4640, 4698)]