406928320

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:211

約数の個数: 224

約数和(自身を含む): 1123614720

約数和(自身を除く): 716686400

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 31, 32, 34, 38, 40, 62, 64, 68, 76, 80, 85, 95, 124, 127, 136, 152, 155, 160, 170, 190, 248, 254, 272, 304, 310, 320, 323, 340, 380, 496, 508, 527, 544, 589, 608, 620, 635, 646, 680, 760, 992, 1016, 1054, 1088, 1178, 1216, 1240, 1270, 1292, 1360, 1520, 1615, 1984, 2032, 2108, 2159, 2356, 2413, 2480, 2540, 2584, 2635, 2720, 2945, 3040, 3230, 3937, 4064, 4216, 4318, 4712, 4826, 4960, 5080, 5168, 5270, 5440, 5890, 6080, 6460, 7874, 8128, 8432, 8636, 9424, 9652, 9920, 10013, 10160, 10336, 10540, 10795, 11780, 12065, 12920, 15748, 16864, 17272, 18848, 19304, 19685, 20026, 20320, 20672, 21080, 21590, 23560, 24130, 25840, 31496, 33728, 34544, 37696, 38608, 39370, 40052, 40640, 41021, 42160, 43180, 47120, 48260, 50065, 51680, 62992, 66929, 69088, 74803, 77216, 78740, 80104, 82042, 84320, 86360, 94240, 96520, 100130, 103360, 125984, 133858, 138176, 149606, 154432, 157480, 160208, 164084, 168640, 172720, 188480, 193040, 200260, 205105, 251968, 267716, 299212, 314960, 320416, 328168, 334645, 345440, 374015, 386080, 400520, 410210, 535432, 598424, 629920, 640832, 656336, 669290, 690880, 748030, 772160, 801040, 820420, 1070864, 1196848, 1259840, 1271651, 1312672, 1338580, 1496060, 1602080, 1640840, 2141728, 2393696, 2543302, 2625344, 2677160, 2992120, 3204160, 3281680, 4283456, 4787392, 5086604, 5354320, 5984240, 6358255, 6563360, 10173208, 10708640, 11968480, 12716510, 13126720, 20346416, 21417280, 23936960, 25433020, 40692832, 50866040, 81385664, 101732080, 203464160, 406928320]

約数ペア:

[(1, 406928320), (2, 203464160), (4, 101732080), (5, 81385664), (8, 50866040), (10, 40692832), (16, 25433020), (17, 23936960), (19, 21417280), (20, 20346416), (31, 13126720), (32, 12716510), (34, 11968480), (38, 10708640), (40, 10173208), (62, 6563360), (64, 6358255), (68, 5984240), (76, 5354320), (80, 5086604), (85, 4787392), (95, 4283456), (124, 3281680), (127, 3204160), (136, 2992120), (152, 2677160), (155, 2625344), (160, 2543302), (170, 2393696), (190, 2141728), (248, 1640840), (254, 1602080), (272, 1496060), (304, 1338580), (310, 1312672), (320, 1271651), (323, 1259840), (340, 1196848), (380, 1070864), (496, 820420), (508, 801040), (527, 772160), (544, 748030), (589, 690880), (608, 669290), (620, 656336), (635, 640832), (646, 629920), (680, 598424), (760, 535432), (992, 410210), (1016, 400520), (1054, 386080), (1088, 374015), (1178, 345440), (1216, 334645), (1240, 328168), (1270, 320416), (1292, 314960), (1360, 299212), (1520, 267716), (1615, 251968), (1984, 205105), (2032, 200260), (2108, 193040), (2159, 188480), (2356, 172720), (2413, 168640), (2480, 164084), (2540, 160208), (2584, 157480), (2635, 154432), (2720, 149606), (2945, 138176), (3040, 133858), (3230, 125984), (3937, 103360), (4064, 100130), (4216, 96520), (4318, 94240), (4712, 86360), (4826, 84320), (4960, 82042), (5080, 80104), (5168, 78740), (5270, 77216), (5440, 74803), (5890, 69088), (6080, 66929), (6460, 62992), (7874, 51680), (8128, 50065), (8432, 48260), (8636, 47120), (9424, 43180), (9652, 42160), (9920, 41021), (10013, 40640), (10160, 40052), (10336, 39370), (10540, 38608), (10795, 37696), (11780, 34544), (12065, 33728), (12920, 31496), (15748, 25840), (16864, 24130), (17272, 23560), (18848, 21590), (19304, 21080), (19685, 20672), (20026, 20320)]