21288428640

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{33073}}^1$

素因数の和:33246

約数の個数: 192

約数和(自身を含む): 75011832000

約数和(自身を除く): 53723403360

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, 90, 96, 108, 120, 135, 144, 149, 160, 180, 216, 240, 270, 288, 298, 360, 432, 447, 480, 540, 596, 720, 745, 864, 894, 1080, 1192, 1341, 1440, 1490, 1788, 2160, 2235, 2384, 2682, 2980, 3576, 4023, 4320, 4470, 4768, 5364, 5960, 6705, 7152, 8046, 8940, 10728, 11920, 13410, 14304, 16092, 17880, 20115, 21456, 23840, 26820, 32184, 33073, 35760, 40230, 42912, 53640, 64368, 66146, 71520, 80460, 99219, 107280, 128736, 132292, 160920, 165365, 198438, 214560, 264584, 297657, 321840, 330730, 396876, 496095, 529168, 595314, 643680, 661460, 793752, 892971, 992190, 1058336, 1190628, 1322920, 1488285, 1587504, 1785942, 1984380, 2381256, 2645840, 2976570, 3175008, 3571884, 3968760, 4464855, 4762512, 4927877, 5291680, 5953140, 7143768, 7937520, 8929710, 9525024, 9855754, 11906280, 14287536, 14783631, 15875040, 17859420, 19711508, 23812560, 24639385, 28575072, 29567262, 35718840, 39423016, 44350893, 47625120, 49278770, 59134524, 71437680, 73918155, 78846032, 88701786, 98557540, 118269048, 133052679, 142875360, 147836310, 157692064, 177403572, 197115080, 221754465, 236538096, 266105358, 295672620, 354807144, 394230160, 443508930, 473076192, 532210716, 591345240, 665263395, 709614288, 788460320, 887017860, 1064421432, 1182690480, 1330526790, 1419228576, 1774035720, 2128842864, 2365380960, 2661053580, 3548071440, 4257685728, 5322107160, 7096142880, 10644214320, 21288428640]

約数ペア:

[(1, 21288428640), (2, 10644214320), (3, 7096142880), (4, 5322107160), (5, 4257685728), (6, 3548071440), (8, 2661053580), (9, 2365380960), (10, 2128842864), (12, 1774035720), (15, 1419228576), (16, 1330526790), (18, 1182690480), (20, 1064421432), (24, 887017860), (27, 788460320), (30, 709614288), (32, 665263395), (36, 591345240), (40, 532210716), (45, 473076192), (48, 443508930), (54, 394230160), (60, 354807144), (72, 295672620), (80, 266105358), (90, 236538096), (96, 221754465), (108, 197115080), (120, 177403572), (135, 157692064), (144, 147836310), (149, 142875360), (160, 133052679), (180, 118269048), (216, 98557540), (240, 88701786), (270, 78846032), (288, 73918155), (298, 71437680), (360, 59134524), (432, 49278770), (447, 47625120), (480, 44350893), (540, 39423016), (596, 35718840), (720, 29567262), (745, 28575072), (864, 24639385), (894, 23812560), (1080, 19711508), (1192, 17859420), (1341, 15875040), (1440, 14783631), (1490, 14287536), (1788, 11906280), (2160, 9855754), (2235, 9525024), (2384, 8929710), (2682, 7937520), (2980, 7143768), (3576, 5953140), (4023, 5291680), (4320, 4927877), (4470, 4762512), (4768, 4464855), (5364, 3968760), (5960, 3571884), (6705, 3175008), (7152, 2976570), (8046, 2645840), (8940, 2381256), (10728, 1984380), (11920, 1785942), (13410, 1587504), (14304, 1488285), (16092, 1322920), (17880, 1190628), (20115, 1058336), (21456, 992190), (23840, 892971), (26820, 793752), (32184, 661460), (33073, 643680), (35760, 595314), (40230, 529168), (42912, 496095), (53640, 396876), (64368, 330730), (66146, 321840), (71520, 297657), (80460, 264584), (99219, 214560), (107280, 198438), (128736, 165365), (132292, 160920)]