20215215480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{43541}}^1$

素因数の和:43681

約数の個数: 128

約数和(自身を含む): 62637779520

約数和(自身を除く): 42422564040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 53, 60, 73, 106, 120, 146, 159, 212, 219, 265, 292, 318, 365, 424, 438, 530, 584, 636, 730, 795, 876, 1060, 1095, 1272, 1460, 1590, 1752, 2120, 2190, 2920, 3180, 3869, 4380, 6360, 7738, 8760, 11607, 15476, 19345, 23214, 30952, 38690, 43541, 46428, 58035, 77380, 87082, 92856, 116070, 130623, 154760, 174164, 217705, 232140, 261246, 348328, 435410, 464280, 522492, 653115, 870820, 1044984, 1306230, 1741640, 2307673, 2612460, 3178493, 4615346, 5224920, 6356986, 6923019, 9230692, 9535479, 11538365, 12713972, 13846038, 15892465, 18461384, 19070958, 23076730, 25427944, 27692076, 31784930, 34615095, 38141916, 46153460, 47677395, 55384152, 63569860, 69230190, 76283832, 92306920, 95354790, 127139720, 138460380, 168460129, 190709580, 276920760, 336920258, 381419160, 505380387, 673840516, 842300645, 1010760774, 1347681032, 1684601290, 2021521548, 2526901935, 3369202580, 4043043096, 5053803870, 6738405160, 10107607740, 20215215480]

約数ペア:

[(1, 20215215480), (2, 10107607740), (3, 6738405160), (4, 5053803870), (5, 4043043096), (6, 3369202580), (8, 2526901935), (10, 2021521548), (12, 1684601290), (15, 1347681032), (20, 1010760774), (24, 842300645), (30, 673840516), (40, 505380387), (53, 381419160), (60, 336920258), (73, 276920760), (106, 190709580), (120, 168460129), (146, 138460380), (159, 127139720), (212, 95354790), (219, 92306920), (265, 76283832), (292, 69230190), (318, 63569860), (365, 55384152), (424, 47677395), (438, 46153460), (530, 38141916), (584, 34615095), (636, 31784930), (730, 27692076), (795, 25427944), (876, 23076730), (1060, 19070958), (1095, 18461384), (1272, 15892465), (1460, 13846038), (1590, 12713972), (1752, 11538365), (2120, 9535479), (2190, 9230692), (2920, 6923019), (3180, 6356986), (3869, 5224920), (4380, 4615346), (6360, 3178493), (7738, 2612460), (8760, 2307673), (11607, 1741640), (15476, 1306230), (19345, 1044984), (23214, 870820), (30952, 653115), (38690, 522492), (43541, 464280), (46428, 435410), (58035, 348328), (77380, 261246), (87082, 232140), (92856, 217705), (116070, 174164), (130623, 154760)]