405165760

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1049}}^1$

素因数の和:1154

約数の個数: 112

約数和(自身を含む): 1036929600

約数和(自身を除く): 631763840

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 71, 80, 85, 136, 142, 160, 170, 272, 284, 320, 340, 355, 544, 568, 680, 710, 1049, 1088, 1136, 1207, 1360, 1420, 2098, 2272, 2414, 2720, 2840, 4196, 4544, 4828, 5245, 5440, 5680, 6035, 8392, 9656, 10490, 11360, 12070, 16784, 17833, 19312, 20980, 22720, 24140, 33568, 35666, 38624, 41960, 48280, 67136, 71332, 74479, 77248, 83920, 89165, 96560, 142664, 148958, 167840, 178330, 193120, 285328, 297916, 335680, 356660, 372395, 386240, 570656, 595832, 713320, 744790, 1141312, 1191664, 1266143, 1426640, 1489580, 2383328, 2532286, 2853280, 2979160, 4766656, 5064572, 5706560, 5958320, 6330715, 10129144, 11916640, 12661430, 20258288, 23833280, 25322860, 40516576, 50645720, 81033152, 101291440, 202582880, 405165760]

約数ペア:

[(1, 405165760), (2, 202582880), (4, 101291440), (5, 81033152), (8, 50645720), (10, 40516576), (16, 25322860), (17, 23833280), (20, 20258288), (32, 12661430), (34, 11916640), (40, 10129144), (64, 6330715), (68, 5958320), (71, 5706560), (80, 5064572), (85, 4766656), (136, 2979160), (142, 2853280), (160, 2532286), (170, 2383328), (272, 1489580), (284, 1426640), (320, 1266143), (340, 1191664), (355, 1141312), (544, 744790), (568, 713320), (680, 595832), (710, 570656), (1049, 386240), (1088, 372395), (1136, 356660), (1207, 335680), (1360, 297916), (1420, 285328), (2098, 193120), (2272, 178330), (2414, 167840), (2720, 148958), (2840, 142664), (4196, 96560), (4544, 89165), (4828, 83920), (5245, 77248), (5440, 74479), (5680, 71332), (6035, 67136), (8392, 48280), (9656, 41960), (10490, 38624), (11360, 35666), (12070, 33568), (16784, 24140), (17833, 22720), (19312, 20980)]