21408578640

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{181}}^1\times {\mathrm{18253}}^1$

素因数の和:18459

約数の個数: 200

約数和(自身を含む): 74770063368

約数和(自身を除く): 53361484728

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 181, 216, 240, 270, 324, 360, 362, 405, 432, 540, 543, 648, 720, 724, 810, 905, 1080, 1086, 1296, 1448, 1620, 1629, 1810, 2160, 2172, 2715, 2896, 3240, 3258, 3620, 4344, 4887, 5430, 6480, 6516, 7240, 8145, 8688, 9774, 10860, 13032, 14480, 14661, 16290, 18253, 19548, 21720, 24435, 26064, 29322, 32580, 36506, 39096, 43440, 48870, 54759, 58644, 65160, 73012, 73305, 78192, 91265, 97740, 109518, 117288, 130320, 146024, 146610, 164277, 182530, 195480, 219036, 234576, 273795, 292048, 293220, 328554, 365060, 390960, 438072, 492831, 547590, 586440, 657108, 730120, 821385, 876144, 985662, 1095180, 1172880, 1314216, 1460240, 1478493, 1642770, 1971324, 2190360, 2464155, 2628432, 2956986, 3285540, 3303793, 3942648, 4380720, 4928310, 5913972, 6571080, 6607586, 7392465, 7885296, 9856620, 9911379, 11827944, 13142160, 13215172, 14784930, 16518965, 19713240, 19822758, 23655888, 26430344, 29569860, 29734137, 33037930, 39426480, 39645516, 49556895, 52860688, 59139720, 59468274, 66075860, 79291032, 89202411, 99113790, 118279440, 118936548, 132151720, 148670685, 158582064, 178404822, 198227580, 237873096, 264303440, 267607233, 297341370, 356809644, 396455160, 446012055, 475746192, 535214466, 594682740, 713619288, 792910320, 892024110, 1070428932, 1189365480, 1338036165, 1427238576, 1784048220, 2140857864, 2378730960, 2676072330, 3568096440, 4281715728, 5352144660, 7136192880, 10704289320, 21408578640]

約数ペア:

[(1, 21408578640), (2, 10704289320), (3, 7136192880), (4, 5352144660), (5, 4281715728), (6, 3568096440), (8, 2676072330), (9, 2378730960), (10, 2140857864), (12, 1784048220), (15, 1427238576), (16, 1338036165), (18, 1189365480), (20, 1070428932), (24, 892024110), (27, 792910320), (30, 713619288), (36, 594682740), (40, 535214466), (45, 475746192), (48, 446012055), (54, 396455160), (60, 356809644), (72, 297341370), (80, 267607233), (81, 264303440), (90, 237873096), (108, 198227580), (120, 178404822), (135, 158582064), (144, 148670685), (162, 132151720), (180, 118936548), (181, 118279440), (216, 99113790), (240, 89202411), (270, 79291032), (324, 66075860), (360, 59468274), (362, 59139720), (405, 52860688), (432, 49556895), (540, 39645516), (543, 39426480), (648, 33037930), (720, 29734137), (724, 29569860), (810, 26430344), (905, 23655888), (1080, 19822758), (1086, 19713240), (1296, 16518965), (1448, 14784930), (1620, 13215172), (1629, 13142160), (1810, 11827944), (2160, 9911379), (2172, 9856620), (2715, 7885296), (2896, 7392465), (3240, 6607586), (3258, 6571080), (3620, 5913972), (4344, 4928310), (4887, 4380720), (5430, 3942648), (6480, 3303793), (6516, 3285540), (7240, 2956986), (8145, 2628432), (8688, 2464155), (9774, 2190360), (10860, 1971324), (13032, 1642770), (14480, 1478493), (14661, 1460240), (16290, 1314216), (18253, 1172880), (19548, 1095180), (21720, 985662), (24435, 876144), (26064, 821385), (29322, 730120), (32580, 657108), (36506, 586440), (39096, 547590), (43440, 492831), (48870, 438072), (54759, 390960), (58644, 365060), (65160, 328554), (73012, 293220), (73305, 292048), (78192, 273795), (91265, 234576), (97740, 219036), (109518, 195480), (117288, 182530), (130320, 164277), (146024, 146610)]