79801020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{509}}^1$

素因数の和:604

約数の個数: 144

約数和(自身を含む): 265093920

約数和(自身を除く): 185292900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 67, 78, 90, 117, 130, 134, 156, 180, 195, 201, 234, 260, 268, 335, 390, 402, 468, 509, 585, 603, 670, 780, 804, 871, 1005, 1018, 1170, 1206, 1340, 1527, 1742, 2010, 2036, 2340, 2412, 2545, 2613, 3015, 3054, 3484, 4020, 4355, 4581, 5090, 5226, 6030, 6108, 6617, 7635, 7839, 8710, 9162, 10180, 10452, 12060, 13065, 13234, 15270, 15678, 17420, 18324, 19851, 22905, 26130, 26468, 30540, 31356, 33085, 34103, 39195, 39702, 45810, 52260, 59553, 66170, 68206, 78390, 79404, 91620, 99255, 102309, 119106, 132340, 136412, 156780, 170515, 198510, 204618, 238212, 297765, 306927, 341030, 397020, 409236, 443339, 511545, 595530, 613854, 682060, 886678, 1023090, 1191060, 1227708, 1330017, 1534635, 1773356, 2046180, 2216695, 2660034, 3069270, 3990051, 4433390, 5320068, 6138540, 6650085, 7980102, 8866780, 13300170, 15960204, 19950255, 26600340, 39900510, 79801020]

約数ペア:

[(1, 79801020), (2, 39900510), (3, 26600340), (4, 19950255), (5, 15960204), (6, 13300170), (9, 8866780), (10, 7980102), (12, 6650085), (13, 6138540), (15, 5320068), (18, 4433390), (20, 3990051), (26, 3069270), (30, 2660034), (36, 2216695), (39, 2046180), (45, 1773356), (52, 1534635), (60, 1330017), (65, 1227708), (67, 1191060), (78, 1023090), (90, 886678), (117, 682060), (130, 613854), (134, 595530), (156, 511545), (180, 443339), (195, 409236), (201, 397020), (234, 341030), (260, 306927), (268, 297765), (335, 238212), (390, 204618), (402, 198510), (468, 170515), (509, 156780), (585, 136412), (603, 132340), (670, 119106), (780, 102309), (804, 99255), (871, 91620), (1005, 79404), (1018, 78390), (1170, 68206), (1206, 66170), (1340, 59553), (1527, 52260), (1742, 45810), (2010, 39702), (2036, 39195), (2340, 34103), (2412, 33085), (2545, 31356), (2613, 30540), (3015, 26468), (3054, 26130), (3484, 22905), (4020, 19851), (4355, 18324), (4581, 17420), (5090, 15678), (5226, 15270), (6030, 13234), (6108, 13065), (6617, 12060), (7635, 10452), (7839, 10180), (8710, 9162)]