72423680

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{137}}^1$

素因数の和:224

約数の個数: 144

約数和(自身を含む): 203091840

約数和(自身を除く): 130668160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 59, 64, 70, 80, 112, 118, 128, 137, 140, 160, 224, 236, 256, 274, 280, 295, 320, 413, 448, 472, 548, 560, 590, 640, 685, 826, 896, 944, 959, 1096, 1120, 1180, 1280, 1370, 1652, 1792, 1888, 1918, 2065, 2192, 2240, 2360, 2740, 3304, 3776, 3836, 4130, 4384, 4480, 4720, 4795, 5480, 6608, 7552, 7672, 8083, 8260, 8768, 8960, 9440, 9590, 10960, 13216, 15104, 15344, 16166, 16520, 17536, 18880, 19180, 21920, 26432, 30688, 32332, 33040, 35072, 37760, 38360, 40415, 43840, 52864, 56581, 61376, 64664, 66080, 75520, 76720, 80830, 87680, 105728, 113162, 122752, 129328, 132160, 153440, 161660, 175360, 226324, 245504, 258656, 264320, 282905, 306880, 323320, 452648, 517312, 528640, 565810, 613760, 646640, 905296, 1034624, 1131620, 1227520, 1293280, 1810592, 2069248, 2263240, 2586560, 3621184, 4526480, 5173120, 7242368, 9052960, 10346240, 14484736, 18105920, 36211840, 72423680]

約数ペア:

[(1, 72423680), (2, 36211840), (4, 18105920), (5, 14484736), (7, 10346240), (8, 9052960), (10, 7242368), (14, 5173120), (16, 4526480), (20, 3621184), (28, 2586560), (32, 2263240), (35, 2069248), (40, 1810592), (56, 1293280), (59, 1227520), (64, 1131620), (70, 1034624), (80, 905296), (112, 646640), (118, 613760), (128, 565810), (137, 528640), (140, 517312), (160, 452648), (224, 323320), (236, 306880), (256, 282905), (274, 264320), (280, 258656), (295, 245504), (320, 226324), (413, 175360), (448, 161660), (472, 153440), (548, 132160), (560, 129328), (590, 122752), (640, 113162), (685, 105728), (826, 87680), (896, 80830), (944, 76720), (959, 75520), (1096, 66080), (1120, 64664), (1180, 61376), (1280, 56581), (1370, 52864), (1652, 43840), (1792, 40415), (1888, 38360), (1918, 37760), (2065, 35072), (2192, 33040), (2240, 32332), (2360, 30688), (2740, 26432), (3304, 21920), (3776, 19180), (3836, 18880), (4130, 17536), (4384, 16520), (4480, 16166), (4720, 15344), (4795, 15104), (5480, 13216), (6608, 10960), (7552, 9590), (7672, 9440), (8083, 8960), (8260, 8768)]