80373020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:164

約数の個数: 144

約数和(自身を含む): 216437760

約数和(自身を除く): 136064740

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 43, 52, 65, 70, 79, 86, 91, 130, 140, 158, 169, 172, 182, 215, 260, 301, 316, 338, 364, 395, 430, 455, 553, 559, 602, 676, 790, 845, 860, 910, 1027, 1106, 1118, 1183, 1204, 1505, 1580, 1690, 1820, 2054, 2212, 2236, 2366, 2765, 2795, 3010, 3380, 3397, 3913, 4108, 4732, 5135, 5530, 5590, 5915, 6020, 6794, 7189, 7267, 7826, 10270, 11060, 11180, 11830, 13351, 13588, 14378, 14534, 15652, 16985, 19565, 20540, 23660, 23779, 26702, 28756, 29068, 33970, 35945, 36335, 39130, 44161, 47558, 50869, 53404, 66755, 67940, 71890, 72670, 78260, 88322, 93457, 95116, 101738, 118895, 133510, 143780, 145340, 176644, 186914, 203476, 220805, 237790, 254345, 267020, 309127, 373828, 441610, 467285, 475580, 508690, 574093, 618254, 883220, 934570, 1017380, 1148186, 1236508, 1545635, 1869140, 2296372, 2870465, 3091270, 4018651, 5740930, 6182540, 8037302, 11481860, 16074604, 20093255, 40186510, 80373020]

約数ペア:

[(1, 80373020), (2, 40186510), (4, 20093255), (5, 16074604), (7, 11481860), (10, 8037302), (13, 6182540), (14, 5740930), (20, 4018651), (26, 3091270), (28, 2870465), (35, 2296372), (43, 1869140), (52, 1545635), (65, 1236508), (70, 1148186), (79, 1017380), (86, 934570), (91, 883220), (130, 618254), (140, 574093), (158, 508690), (169, 475580), (172, 467285), (182, 441610), (215, 373828), (260, 309127), (301, 267020), (316, 254345), (338, 237790), (364, 220805), (395, 203476), (430, 186914), (455, 176644), (553, 145340), (559, 143780), (602, 133510), (676, 118895), (790, 101738), (845, 95116), (860, 93457), (910, 88322), (1027, 78260), (1106, 72670), (1118, 71890), (1183, 67940), (1204, 66755), (1505, 53404), (1580, 50869), (1690, 47558), (1820, 44161), (2054, 39130), (2212, 36335), (2236, 35945), (2366, 33970), (2765, 29068), (2795, 28756), (3010, 26702), (3380, 23779), (3397, 23660), (3913, 20540), (4108, 19565), (4732, 16985), (5135, 15652), (5530, 14534), (5590, 14378), (5915, 13588), (6020, 13351), (6794, 11830), (7189, 11180), (7267, 11060), (7826, 10270)]