812290640

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:210

約数の個数: 240

約数和(自身を含む): 2313780480

約数和(自身を除く): 1501489840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 43, 49, 56, 61, 70, 79, 80, 86, 98, 112, 122, 140, 158, 172, 196, 215, 244, 245, 280, 301, 305, 316, 344, 392, 395, 427, 430, 488, 490, 553, 560, 602, 610, 632, 688, 784, 790, 854, 860, 976, 980, 1106, 1204, 1220, 1264, 1505, 1580, 1708, 1720, 1960, 2107, 2135, 2212, 2408, 2440, 2623, 2765, 2989, 3010, 3160, 3397, 3416, 3440, 3871, 3920, 4214, 4270, 4424, 4816, 4819, 4880, 5246, 5530, 5978, 6020, 6320, 6794, 6832, 7742, 8428, 8540, 8848, 9638, 10492, 10535, 11060, 11956, 12040, 13115, 13588, 14945, 15484, 16856, 16985, 17080, 18361, 19276, 19355, 20984, 21070, 22120, 23779, 23912, 24080, 24095, 26230, 27176, 29890, 30968, 33712, 33733, 33970, 34160, 36722, 38552, 38710, 41968, 42140, 44240, 47558, 47824, 48190, 52460, 54352, 59780, 61936, 67466, 67940, 73444, 77104, 77420, 84280, 91805, 95116, 96380, 104920, 118895, 119560, 128527, 134932, 135880, 146888, 154840, 166453, 168560, 168665, 183610, 190232, 192760, 207217, 209840, 236131, 237790, 239120, 257054, 269864, 271760, 293776, 309680, 332906, 337330, 367220, 380464, 385520, 414434, 472262, 475580, 514108, 539728, 642635, 665812, 674660, 734440, 828868, 832265, 944524, 951160, 1028216, 1036085, 1180655, 1285270, 1331624, 1349320, 1450519, 1468880, 1657736, 1664530, 1889048, 1902320, 2056432, 2072170, 2361310, 2570540, 2663248, 2698640, 2901038, 3315472, 3329060, 3778096, 4144340, 4722620, 5141080, 5802076, 6658120, 7252595, 8288680, 9445240, 10153633, 10282160, 11604152, 13316240, 14505190, 16577360, 18890480, 20307266, 23208304, 29010380, 40614532, 50768165, 58020760, 81229064, 101536330, 116041520, 162458128, 203072660, 406145320, 812290640]

約数ペア:

[(1, 812290640), (2, 406145320), (4, 203072660), (5, 162458128), (7, 116041520), (8, 101536330), (10, 81229064), (14, 58020760), (16, 50768165), (20, 40614532), (28, 29010380), (35, 23208304), (40, 20307266), (43, 18890480), (49, 16577360), (56, 14505190), (61, 13316240), (70, 11604152), (79, 10282160), (80, 10153633), (86, 9445240), (98, 8288680), (112, 7252595), (122, 6658120), (140, 5802076), (158, 5141080), (172, 4722620), (196, 4144340), (215, 3778096), (244, 3329060), (245, 3315472), (280, 2901038), (301, 2698640), (305, 2663248), (316, 2570540), (344, 2361310), (392, 2072170), (395, 2056432), (427, 1902320), (430, 1889048), (488, 1664530), (490, 1657736), (553, 1468880), (560, 1450519), (602, 1349320), (610, 1331624), (632, 1285270), (688, 1180655), (784, 1036085), (790, 1028216), (854, 951160), (860, 944524), (976, 832265), (980, 828868), (1106, 734440), (1204, 674660), (1220, 665812), (1264, 642635), (1505, 539728), (1580, 514108), (1708, 475580), (1720, 472262), (1960, 414434), (2107, 385520), (2135, 380464), (2212, 367220), (2408, 337330), (2440, 332906), (2623, 309680), (2765, 293776), (2989, 271760), (3010, 269864), (3160, 257054), (3397, 239120), (3416, 237790), (3440, 236131), (3871, 209840), (3920, 207217), (4214, 192760), (4270, 190232), (4424, 183610), (4816, 168665), (4819, 168560), (4880, 166453), (5246, 154840), (5530, 146888), (5978, 135880), (6020, 134932), (6320, 128527), (6794, 119560), (6832, 118895), (7742, 104920), (8428, 96380), (8540, 95116), (8848, 91805), (9638, 84280), (10492, 77420), (10535, 77104), (11060, 73444), (11956, 67940), (12040, 67466), (13115, 61936), (13588, 59780), (14945, 54352), (15484, 52460), (16856, 48190), (16985, 47824), (17080, 47558), (18361, 44240), (19276, 42140), (19355, 41968), (20984, 38710), (21070, 38552), (22120, 36722), (23779, 34160), (23912, 33970), (24080, 33733), (24095, 33712), (26230, 30968), (27176, 29890)]