20779395280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{5659}}^1$

素因数の和:5841

約数の個数: 160

約数和(自身を含む): 56596377600

約数和(自身を除く): 35816982320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 79, 80, 83, 112, 140, 158, 166, 280, 316, 332, 395, 415, 553, 560, 581, 632, 664, 790, 830, 1106, 1162, 1264, 1328, 1580, 1660, 2212, 2324, 2765, 2905, 3160, 3320, 4424, 4648, 5530, 5659, 5810, 6320, 6557, 6640, 8848, 9296, 11060, 11318, 11620, 13114, 22120, 22636, 23240, 26228, 28295, 32785, 39613, 44240, 45272, 45899, 46480, 52456, 56590, 65570, 79226, 90544, 91798, 104912, 113180, 131140, 158452, 183596, 198065, 226360, 229495, 262280, 316904, 367192, 396130, 447061, 452720, 458990, 469697, 524560, 633808, 734384, 792260, 894122, 917980, 939394, 1584520, 1788244, 1835960, 1878788, 2235305, 2348485, 3129427, 3169040, 3287879, 3576488, 3671920, 3757576, 4470610, 4696970, 6258854, 6575758, 7152976, 7515152, 8941220, 9393940, 12517708, 13151516, 15647135, 16439395, 17882440, 18787880, 25035416, 26303032, 31294270, 32878790, 35764880, 37106063, 37575760, 50070832, 52606064, 62588540, 65757580, 74212126, 125177080, 131515160, 148424252, 185530315, 250354160, 259742441, 263030320, 296848504, 371060630, 519484882, 593697008, 742121260, 1038969764, 1298712205, 1484242520, 2077939528, 2597424410, 2968485040, 4155879056, 5194848820, 10389697640, 20779395280]

約数ペア:

[(1, 20779395280), (2, 10389697640), (4, 5194848820), (5, 4155879056), (7, 2968485040), (8, 2597424410), (10, 2077939528), (14, 1484242520), (16, 1298712205), (20, 1038969764), (28, 742121260), (35, 593697008), (40, 519484882), (56, 371060630), (70, 296848504), (79, 263030320), (80, 259742441), (83, 250354160), (112, 185530315), (140, 148424252), (158, 131515160), (166, 125177080), (280, 74212126), (316, 65757580), (332, 62588540), (395, 52606064), (415, 50070832), (553, 37575760), (560, 37106063), (581, 35764880), (632, 32878790), (664, 31294270), (790, 26303032), (830, 25035416), (1106, 18787880), (1162, 17882440), (1264, 16439395), (1328, 15647135), (1580, 13151516), (1660, 12517708), (2212, 9393940), (2324, 8941220), (2765, 7515152), (2905, 7152976), (3160, 6575758), (3320, 6258854), (4424, 4696970), (4648, 4470610), (5530, 3757576), (5659, 3671920), (5810, 3576488), (6320, 3287879), (6557, 3169040), (6640, 3129427), (8848, 2348485), (9296, 2235305), (11060, 1878788), (11318, 1835960), (11620, 1788244), (13114, 1584520), (22120, 939394), (22636, 917980), (23240, 894122), (26228, 792260), (28295, 734384), (32785, 633808), (39613, 524560), (44240, 469697), (45272, 458990), (45899, 452720), (46480, 447061), (52456, 396130), (56590, 367192), (65570, 316904), (79226, 262280), (90544, 229495), (91798, 226360), (104912, 198065), (113180, 183596), (131140, 158452)]