216692480

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:222

約数の個数: 144

約数和(自身を含む): 552566784

約数和(自身を除く): 335874304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 43, 62, 64, 80, 86, 124, 127, 128, 155, 160, 172, 215, 248, 254, 256, 310, 320, 344, 430, 496, 508, 620, 635, 640, 688, 860, 992, 1016, 1240, 1270, 1280, 1333, 1376, 1720, 1984, 2032, 2480, 2540, 2666, 2752, 3440, 3937, 3968, 4064, 4960, 5080, 5332, 5461, 5504, 6665, 6880, 7874, 7936, 8128, 9920, 10160, 10664, 10922, 11008, 13330, 13760, 15748, 16256, 19685, 19840, 20320, 21328, 21844, 26660, 27305, 27520, 31496, 32512, 39370, 39680, 40640, 42656, 43688, 53320, 54610, 55040, 62992, 78740, 81280, 85312, 87376, 106640, 109220, 125984, 157480, 162560, 169291, 170624, 174752, 213280, 218440, 251968, 314960, 338582, 341248, 349504, 426560, 436880, 503936, 629920, 677164, 699008, 846455, 853120, 873760, 1007872, 1259840, 1354328, 1398016, 1692910, 1706240, 1747520, 2519680, 2708656, 3385820, 3495040, 5039360, 5417312, 6771640, 6990080, 10834624, 13543280, 21669248, 27086560, 43338496, 54173120, 108346240, 216692480]

約数ペア:

[(1, 216692480), (2, 108346240), (4, 54173120), (5, 43338496), (8, 27086560), (10, 21669248), (16, 13543280), (20, 10834624), (31, 6990080), (32, 6771640), (40, 5417312), (43, 5039360), (62, 3495040), (64, 3385820), (80, 2708656), (86, 2519680), (124, 1747520), (127, 1706240), (128, 1692910), (155, 1398016), (160, 1354328), (172, 1259840), (215, 1007872), (248, 873760), (254, 853120), (256, 846455), (310, 699008), (320, 677164), (344, 629920), (430, 503936), (496, 436880), (508, 426560), (620, 349504), (635, 341248), (640, 338582), (688, 314960), (860, 251968), (992, 218440), (1016, 213280), (1240, 174752), (1270, 170624), (1280, 169291), (1333, 162560), (1376, 157480), (1720, 125984), (1984, 109220), (2032, 106640), (2480, 87376), (2540, 85312), (2666, 81280), (2752, 78740), (3440, 62992), (3937, 55040), (3968, 54610), (4064, 53320), (4960, 43688), (5080, 42656), (5332, 40640), (5461, 39680), (5504, 39370), (6665, 32512), (6880, 31496), (7874, 27520), (7936, 27305), (8128, 26660), (9920, 21844), (10160, 21328), (10664, 20320), (10922, 19840), (11008, 19685), (13330, 16256), (13760, 15748)]