28570140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1$

素因数の和:208

約数の個数: 144

約数和(自身を含む): 92671488

約数和(自身を除く): 64101348

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 67, 69, 90, 92, 103, 115, 134, 138, 180, 201, 206, 207, 230, 268, 276, 309, 335, 345, 402, 412, 414, 460, 515, 603, 618, 670, 690, 804, 828, 927, 1005, 1030, 1035, 1206, 1236, 1340, 1380, 1541, 1545, 1854, 2010, 2060, 2070, 2369, 2412, 3015, 3082, 3090, 3708, 4020, 4140, 4623, 4635, 4738, 6030, 6164, 6180, 6901, 7107, 7705, 9246, 9270, 9476, 11845, 12060, 13802, 13869, 14214, 15410, 18492, 18540, 20703, 21321, 23115, 23690, 27604, 27738, 28428, 30820, 34505, 35535, 41406, 42642, 46230, 47380, 55476, 62109, 69010, 69345, 71070, 82812, 85284, 92460, 103515, 106605, 124218, 138020, 138690, 142140, 158723, 207030, 213210, 248436, 277380, 310545, 317446, 414060, 426420, 476169, 621090, 634892, 793615, 952338, 1242180, 1428507, 1587230, 1904676, 2380845, 2857014, 3174460, 4761690, 5714028, 7142535, 9523380, 14285070, 28570140]

約数ペア:

[(1, 28570140), (2, 14285070), (3, 9523380), (4, 7142535), (5, 5714028), (6, 4761690), (9, 3174460), (10, 2857014), (12, 2380845), (15, 1904676), (18, 1587230), (20, 1428507), (23, 1242180), (30, 952338), (36, 793615), (45, 634892), (46, 621090), (60, 476169), (67, 426420), (69, 414060), (90, 317446), (92, 310545), (103, 277380), (115, 248436), (134, 213210), (138, 207030), (180, 158723), (201, 142140), (206, 138690), (207, 138020), (230, 124218), (268, 106605), (276, 103515), (309, 92460), (335, 85284), (345, 82812), (402, 71070), (412, 69345), (414, 69010), (460, 62109), (515, 55476), (603, 47380), (618, 46230), (670, 42642), (690, 41406), (804, 35535), (828, 34505), (927, 30820), (1005, 28428), (1030, 27738), (1035, 27604), (1206, 23690), (1236, 23115), (1340, 21321), (1380, 20703), (1541, 18540), (1545, 18492), (1854, 15410), (2010, 14214), (2060, 13869), (2070, 13802), (2369, 12060), (2412, 11845), (3015, 9476), (3082, 9270), (3090, 9246), (3708, 7705), (4020, 7107), (4140, 6901), (4623, 6180), (4635, 6164), (4738, 6030)]