206613760

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1$

素因数の和:220

約数の個数: 144

約数和(自身を含む): 527450112

約数和(自身を除く): 320836352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 41, 62, 64, 80, 82, 124, 127, 128, 155, 160, 164, 205, 248, 254, 256, 310, 320, 328, 410, 496, 508, 620, 635, 640, 656, 820, 992, 1016, 1240, 1270, 1271, 1280, 1312, 1640, 1984, 2032, 2480, 2540, 2542, 2624, 3280, 3937, 3968, 4064, 4960, 5080, 5084, 5207, 5248, 6355, 6560, 7874, 7936, 8128, 9920, 10160, 10168, 10414, 10496, 12710, 13120, 15748, 16256, 19685, 19840, 20320, 20336, 20828, 25420, 26035, 26240, 31496, 32512, 39370, 39680, 40640, 40672, 41656, 50840, 52070, 52480, 62992, 78740, 81280, 81344, 83312, 101680, 104140, 125984, 157480, 161417, 162560, 162688, 166624, 203360, 208280, 251968, 314960, 322834, 325376, 333248, 406720, 416560, 503936, 629920, 645668, 666496, 807085, 813440, 833120, 1007872, 1259840, 1291336, 1332992, 1614170, 1626880, 1666240, 2519680, 2582672, 3228340, 3332480, 5039360, 5165344, 6456680, 6664960, 10330688, 12913360, 20661376, 25826720, 41322752, 51653440, 103306880, 206613760]

約数ペア:

[(1, 206613760), (2, 103306880), (4, 51653440), (5, 41322752), (8, 25826720), (10, 20661376), (16, 12913360), (20, 10330688), (31, 6664960), (32, 6456680), (40, 5165344), (41, 5039360), (62, 3332480), (64, 3228340), (80, 2582672), (82, 2519680), (124, 1666240), (127, 1626880), (128, 1614170), (155, 1332992), (160, 1291336), (164, 1259840), (205, 1007872), (248, 833120), (254, 813440), (256, 807085), (310, 666496), (320, 645668), (328, 629920), (410, 503936), (496, 416560), (508, 406720), (620, 333248), (635, 325376), (640, 322834), (656, 314960), (820, 251968), (992, 208280), (1016, 203360), (1240, 166624), (1270, 162688), (1271, 162560), (1280, 161417), (1312, 157480), (1640, 125984), (1984, 104140), (2032, 101680), (2480, 83312), (2540, 81344), (2542, 81280), (2624, 78740), (3280, 62992), (3937, 52480), (3968, 52070), (4064, 50840), (4960, 41656), (5080, 40672), (5084, 40640), (5207, 39680), (5248, 39370), (6355, 32512), (6560, 31496), (7874, 26240), (7936, 26035), (8128, 25420), (9920, 20828), (10160, 20336), (10168, 20320), (10414, 19840), (10496, 19685), (12710, 16256), (13120, 15748)]