21320223840

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{283}}^1\times {\mathrm{5813}}^1$

素因数の和:6123

約数の個数: 240

約数和(自身を含む): 75521487888

約数和(自身を除く): 54201264048

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, 283, 288, 324, 360, 405, 432, 480, 540, 566, 648, 720, 810, 849, 864, 1080, 1132, 1296, 1415, 1440, 1620, 1698, 2160, 2264, 2547, 2592, 2830, 3240, 3396, 4245, 4320, 4528, 5094, 5660, 5813, 6480, 6792, 7641, 8490, 9056, 10188, 11320, 11626, 12735, 12960, 13584, 15282, 16980, 17439, 20376, 22640, 22923, 23252, 25470, 27168, 29065, 30564, 33960, 34878, 38205, 40752, 45280, 45846, 46504, 50940, 52317, 58130, 61128, 67920, 69756, 76410, 81504, 87195, 91692, 93008, 101880, 104634, 114615, 116260, 122256, 135840, 139512, 152820, 156951, 174390, 183384, 186016, 203760, 209268, 229230, 232520, 244512, 261585, 279024, 305640, 313902, 348780, 366768, 407520, 418536, 458460, 465040, 470853, 523170, 558048, 611280, 627804, 697560, 733536, 784755, 837072, 916920, 930080, 941706, 1046340, 1222560, 1255608, 1395120, 1569510, 1645079, 1674144, 1833840, 1883412, 2092680, 2354265, 2511216, 2790240, 3139020, 3290158, 3667680, 3766824, 4185360, 4708530, 4935237, 5022432, 6278040, 6580316, 7533648, 8225395, 8370720, 9417060, 9870474, 12556080, 13160632, 14805711, 15067296, 16450790, 18834120, 19740948, 24676185, 25112160, 26321264, 29611422, 32901580, 37668240, 39481896, 44417133, 49352370, 52642528, 59222844, 65803160, 74028555, 75336480, 78963792, 88834266, 98704740, 118445688, 131606320, 133251399, 148057110, 157927584, 177668532, 197409480, 222085665, 236891376, 263212640, 266502798, 296114220, 355337064, 394818960, 444171330, 473782752, 533005596, 592228440, 666256995, 710674128, 789637920, 888342660, 1066011192, 1184456880, 1332513990, 1421348256, 1776685320, 2132022384, 2368913760, 2665027980, 3553370640, 4264044768, 5330055960, 7106741280, 10660111920, 21320223840]

約数ペア:

[(1, 21320223840), (2, 10660111920), (3, 7106741280), (4, 5330055960), (5, 4264044768), (6, 3553370640), (8, 2665027980), (9, 2368913760), (10, 2132022384), (12, 1776685320), (15, 1421348256), (16, 1332513990), (18, 1184456880), (20, 1066011192), (24, 888342660), (27, 789637920), (30, 710674128), (32, 666256995), (36, 592228440), (40, 533005596), (45, 473782752), (48, 444171330), (54, 394818960), (60, 355337064), (72, 296114220), (80, 266502798), (81, 263212640), (90, 236891376), (96, 222085665), (108, 197409480), (120, 177668532), (135, 157927584), (144, 148057110), (160, 133251399), (162, 131606320), (180, 118445688), (216, 98704740), (240, 88834266), (270, 78963792), (283, 75336480), (288, 74028555), (324, 65803160), (360, 59222844), (405, 52642528), (432, 49352370), (480, 44417133), (540, 39481896), (566, 37668240), (648, 32901580), (720, 29611422), (810, 26321264), (849, 25112160), (864, 24676185), (1080, 19740948), (1132, 18834120), (1296, 16450790), (1415, 15067296), (1440, 14805711), (1620, 13160632), (1698, 12556080), (2160, 9870474), (2264, 9417060), (2547, 8370720), (2592, 8225395), (2830, 7533648), (3240, 6580316), (3396, 6278040), (4245, 5022432), (4320, 4935237), (4528, 4708530), (5094, 4185360), (5660, 3766824), (5813, 3667680), (6480, 3290158), (6792, 3139020), (7641, 2790240), (8490, 2511216), (9056, 2354265), (10188, 2092680), (11320, 1883412), (11626, 1833840), (12735, 1674144), (12960, 1645079), (13584, 1569510), (15282, 1395120), (16980, 1255608), (17439, 1222560), (20376, 1046340), (22640, 941706), (22923, 930080), (23252, 916920), (25470, 837072), (27168, 784755), (29065, 733536), (30564, 697560), (33960, 627804), (34878, 611280), (38205, 558048), (40752, 523170), (45280, 470853), (45846, 465040), (46504, 458460), (50940, 418536), (52317, 407520), (58130, 366768), (61128, 348780), (67920, 313902), (69756, 305640), (76410, 279024), (81504, 261585), (87195, 244512), (91692, 232520), (93008, 229230), (101880, 209268), (104634, 203760), (114615, 186016), (116260, 183384), (122256, 174390), (135840, 156951), (139512, 152820)]