21815489160

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{3923}}^1$

素因数の和:4233

約数の個数: 256

約数和(自身を含む): 76847616000

約数和(自身を除く): 55032126840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 90, 95, 108, 114, 120, 135, 152, 171, 180, 190, 216, 228, 270, 271, 285, 342, 360, 380, 456, 513, 540, 542, 570, 684, 760, 813, 855, 1026, 1080, 1084, 1140, 1355, 1368, 1626, 1710, 2052, 2168, 2280, 2439, 2565, 2710, 3252, 3420, 3923, 4065, 4104, 4878, 5130, 5149, 5420, 6504, 6840, 7317, 7846, 8130, 9756, 10260, 10298, 10840, 11769, 12195, 14634, 15447, 15692, 16260, 19512, 19615, 20520, 20596, 23538, 24390, 25745, 29268, 30894, 31384, 32520, 35307, 36585, 39230, 41192, 46341, 47076, 48780, 51490, 58536, 58845, 61788, 70614, 73170, 74537, 77235, 78460, 92682, 94152, 97560, 102980, 105921, 117690, 123576, 139023, 141228, 146340, 149074, 154470, 156920, 176535, 185364, 205960, 211842, 223611, 231705, 235380, 278046, 282456, 292680, 298148, 308940, 353070, 370728, 372685, 423684, 447222, 463410, 470760, 529605, 556092, 596296, 617880, 670833, 695115, 706140, 745370, 847368, 894444, 926820, 1059210, 1063133, 1112184, 1118055, 1341666, 1390230, 1412280, 1490740, 1788888, 1853640, 2012499, 2118420, 2126266, 2236110, 2683332, 2780460, 2981480, 3189399, 3354165, 4024998, 4236840, 4252532, 4472220, 5315665, 5366664, 5560920, 6378798, 6708330, 8049996, 8505064, 8944440, 9568197, 10062495, 10631330, 12757596, 13416660, 15946995, 16099992, 19136394, 20124990, 20199527, 21262660, 25515192, 26833320, 28704591, 31893990, 38272788, 40249980, 40399054, 42525320, 47840985, 57409182, 60598581, 63787980, 76545576, 80499960, 80798108, 95681970, 100997635, 114818364, 121197162, 127575960, 143522955, 161596216, 181795743, 191363940, 201995270, 229636728, 242394324, 287045910, 302992905, 363591486, 382727880, 403990540, 484788648, 545387229, 574091820, 605985810, 727182972, 807981080, 908978715, 1090774458, 1148183640, 1211971620, 1454365944, 1817957430, 2181548916, 2423943240, 2726936145, 3635914860, 4363097832, 5453872290, 7271829720, 10907744580, 21815489160]

約数ペア:

[(1, 21815489160), (2, 10907744580), (3, 7271829720), (4, 5453872290), (5, 4363097832), (6, 3635914860), (8, 2726936145), (9, 2423943240), (10, 2181548916), (12, 1817957430), (15, 1454365944), (18, 1211971620), (19, 1148183640), (20, 1090774458), (24, 908978715), (27, 807981080), (30, 727182972), (36, 605985810), (38, 574091820), (40, 545387229), (45, 484788648), (54, 403990540), (57, 382727880), (60, 363591486), (72, 302992905), (76, 287045910), (90, 242394324), (95, 229636728), (108, 201995270), (114, 191363940), (120, 181795743), (135, 161596216), (152, 143522955), (171, 127575960), (180, 121197162), (190, 114818364), (216, 100997635), (228, 95681970), (270, 80798108), (271, 80499960), (285, 76545576), (342, 63787980), (360, 60598581), (380, 57409182), (456, 47840985), (513, 42525320), (540, 40399054), (542, 40249980), (570, 38272788), (684, 31893990), (760, 28704591), (813, 26833320), (855, 25515192), (1026, 21262660), (1080, 20199527), (1084, 20124990), (1140, 19136394), (1355, 16099992), (1368, 15946995), (1626, 13416660), (1710, 12757596), (2052, 10631330), (2168, 10062495), (2280, 9568197), (2439, 8944440), (2565, 8505064), (2710, 8049996), (3252, 6708330), (3420, 6378798), (3923, 5560920), (4065, 5366664), (4104, 5315665), (4878, 4472220), (5130, 4252532), (5149, 4236840), (5420, 4024998), (6504, 3354165), (6840, 3189399), (7317, 2981480), (7846, 2780460), (8130, 2683332), (9756, 2236110), (10260, 2126266), (10298, 2118420), (10840, 2012499), (11769, 1853640), (12195, 1788888), (14634, 1490740), (15447, 1412280), (15692, 1390230), (16260, 1341666), (19512, 1118055), (19615, 1112184), (20520, 1063133), (20596, 1059210), (23538, 926820), (24390, 894444), (25745, 847368), (29268, 745370), (30894, 706140), (31384, 695115), (32520, 670833), (35307, 617880), (36585, 596296), (39230, 556092), (41192, 529605), (46341, 470760), (47076, 463410), (48780, 447222), (51490, 423684), (58536, 372685), (58845, 370728), (61788, 353070), (70614, 308940), (73170, 298148), (74537, 292680), (77235, 282456), (78460, 278046), (92682, 235380), (94152, 231705), (97560, 223611), (102980, 211842), (105921, 205960), (117690, 185364), (123576, 176535), (139023, 156920), (141228, 154470), (146340, 149074)]