478798320

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1993}}^1$

素因数の和:2040

約数の個数: 320

約数和(自身を含む): 1993872384

約数和(自身を除く): 1515074064

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 13, 14, 15, 16, 20, 21, 22, 24, 26, 28, 30, 33, 35, 39, 40, 42, 44, 48, 52, 55, 56, 60, 65, 66, 70, 77, 78, 80, 84, 88, 91, 104, 105, 110, 112, 120, 130, 132, 140, 143, 154, 156, 165, 168, 176, 182, 195, 208, 210, 220, 231, 240, 260, 264, 273, 280, 286, 308, 312, 330, 336, 364, 385, 390, 420, 429, 440, 455, 462, 520, 528, 546, 560, 572, 616, 624, 660, 715, 728, 770, 780, 840, 858, 880, 910, 924, 1001, 1040, 1092, 1144, 1155, 1232, 1320, 1365, 1430, 1456, 1540, 1560, 1680, 1716, 1820, 1848, 1993, 2002, 2145, 2184, 2288, 2310, 2640, 2730, 2860, 3003, 3080, 3120, 3432, 3640, 3696, 3986, 4004, 4290, 4368, 4620, 5005, 5460, 5720, 5979, 6006, 6160, 6864, 7280, 7972, 8008, 8580, 9240, 9965, 10010, 10920, 11440, 11958, 12012, 13951, 15015, 15944, 16016, 17160, 18480, 19930, 20020, 21840, 21923, 23916, 24024, 25909, 27902, 29895, 30030, 31888, 34320, 39860, 40040, 41853, 43846, 47832, 48048, 51818, 55804, 59790, 60060, 65769, 69755, 77727, 79720, 80080, 83706, 87692, 95664, 103636, 109615, 111608, 119580, 120120, 129545, 131538, 139510, 153461, 155454, 159440, 167412, 175384, 181363, 207272, 209265, 219230, 223216, 239160, 240240, 259090, 263076, 279020, 284999, 306922, 310908, 328845, 334824, 350768, 362726, 388635, 414544, 418530, 438460, 460383, 478320, 518180, 526152, 544089, 558040, 569998, 613844, 621816, 657690, 669648, 725452, 767305, 777270, 837060, 854997, 876920, 906815, 920766, 1036360, 1052304, 1088178, 1116080, 1139996, 1227688, 1243632, 1315380, 1424995, 1450904, 1534610, 1554540, 1674120, 1709994, 1753840, 1813630, 1841532, 1994993, 2072720, 2176356, 2279992, 2301915, 2455376, 2630760, 2720445, 2849990, 2901808, 3069220, 3109080, 3348240, 3419988, 3627260, 3683064, 3989986, 4274985, 4352712, 4559984, 4603830, 5261520, 5440890, 5699980, 5984979, 6138440, 6218160, 6839976, 7254520, 7366128, 7979972, 8549970, 8705424, 9207660, 9974965, 10881780, 11399960, 11969958, 12276880, 13679952, 14509040, 15959944, 17099940, 18415320, 19949930, 21763560, 22799920, 23939916, 29924895, 31919888, 34199880, 36830640, 39899860, 43527120, 47879832, 59849790, 68399760, 79799720, 95759664, 119699580, 159599440, 239399160, 478798320]

約数ペア:

[(1, 478798320), (2, 239399160), (3, 159599440), (4, 119699580), (5, 95759664), (6, 79799720), (7, 68399760), (8, 59849790), (10, 47879832), (11, 43527120), (12, 39899860), (13, 36830640), (14, 34199880), (15, 31919888), (16, 29924895), (20, 23939916), (21, 22799920), (22, 21763560), (24, 19949930), (26, 18415320), (28, 17099940), (30, 15959944), (33, 14509040), (35, 13679952), (39, 12276880), (40, 11969958), (42, 11399960), (44, 10881780), (48, 9974965), (52, 9207660), (55, 8705424), (56, 8549970), (60, 7979972), (65, 7366128), (66, 7254520), (70, 6839976), (77, 6218160), (78, 6138440), (80, 5984979), (84, 5699980), (88, 5440890), (91, 5261520), (104, 4603830), (105, 4559984), (110, 4352712), (112, 4274985), (120, 3989986), (130, 3683064), (132, 3627260), (140, 3419988), (143, 3348240), (154, 3109080), (156, 3069220), (165, 2901808), (168, 2849990), (176, 2720445), (182, 2630760), (195, 2455376), (208, 2301915), (210, 2279992), (220, 2176356), (231, 2072720), (240, 1994993), (260, 1841532), (264, 1813630), (273, 1753840), (280, 1709994), (286, 1674120), (308, 1554540), (312, 1534610), (330, 1450904), (336, 1424995), (364, 1315380), (385, 1243632), (390, 1227688), (420, 1139996), (429, 1116080), (440, 1088178), (455, 1052304), (462, 1036360), (520, 920766), (528, 906815), (546, 876920), (560, 854997), (572, 837060), (616, 777270), (624, 767305), (660, 725452), (715, 669648), (728, 657690), (770, 621816), (780, 613844), (840, 569998), (858, 558040), (880, 544089), (910, 526152), (924, 518180), (1001, 478320), (1040, 460383), (1092, 438460), (1144, 418530), (1155, 414544), (1232, 388635), (1320, 362726), (1365, 350768), (1430, 334824), (1456, 328845), (1540, 310908), (1560, 306922), (1680, 284999), (1716, 279020), (1820, 263076), (1848, 259090), (1993, 240240), (2002, 239160), (2145, 223216), (2184, 219230), (2288, 209265), (2310, 207272), (2640, 181363), (2730, 175384), (2860, 167412), (3003, 159440), (3080, 155454), (3120, 153461), (3432, 139510), (3640, 131538), (3696, 129545), (3986, 120120), (4004, 119580), (4290, 111608), (4368, 109615), (4620, 103636), (5005, 95664), (5460, 87692), (5720, 83706), (5979, 80080), (6006, 79720), (6160, 77727), (6864, 69755), (7280, 65769), (7972, 60060), (8008, 59790), (8580, 55804), (9240, 51818), (9965, 48048), (10010, 47832), (10920, 43846), (11440, 41853), (11958, 40040), (12012, 39860), (13951, 34320), (15015, 31888), (15944, 30030), (16016, 29895), (17160, 27902), (18480, 25909), (19930, 24024), (20020, 23916), (21840, 21923)]