208760520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{151}}^1\times {\mathrm{281}}^1$

素因数の和:487

約数の個数: 128

約数和(自身を含む): 648103680

約数和(自身を除く): 439343160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 60, 82, 120, 123, 151, 164, 205, 246, 281, 302, 328, 410, 453, 492, 562, 604, 615, 755, 820, 843, 906, 984, 1124, 1208, 1230, 1405, 1510, 1640, 1686, 1812, 2248, 2265, 2460, 2810, 3020, 3372, 3624, 4215, 4530, 4920, 5620, 6040, 6191, 6744, 8430, 9060, 11240, 11521, 12382, 16860, 18120, 18573, 23042, 24764, 30955, 33720, 34563, 37146, 42431, 46084, 49528, 57605, 61910, 69126, 74292, 84862, 92168, 92865, 115210, 123820, 127293, 138252, 148584, 169724, 172815, 185730, 212155, 230420, 247640, 254586, 276504, 339448, 345630, 371460, 424310, 460840, 509172, 636465, 691260, 742920, 848620, 1018344, 1272930, 1382520, 1697240, 1739671, 2545860, 3479342, 5091720, 5219013, 6958684, 8698355, 10438026, 13917368, 17396710, 20876052, 26095065, 34793420, 41752104, 52190130, 69586840, 104380260, 208760520]

約数ペア:

[(1, 208760520), (2, 104380260), (3, 69586840), (4, 52190130), (5, 41752104), (6, 34793420), (8, 26095065), (10, 20876052), (12, 17396710), (15, 13917368), (20, 10438026), (24, 8698355), (30, 6958684), (40, 5219013), (41, 5091720), (60, 3479342), (82, 2545860), (120, 1739671), (123, 1697240), (151, 1382520), (164, 1272930), (205, 1018344), (246, 848620), (281, 742920), (302, 691260), (328, 636465), (410, 509172), (453, 460840), (492, 424310), (562, 371460), (604, 345630), (615, 339448), (755, 276504), (820, 254586), (843, 247640), (906, 230420), (984, 212155), (1124, 185730), (1208, 172815), (1230, 169724), (1405, 148584), (1510, 138252), (1640, 127293), (1686, 123820), (1812, 115210), (2248, 92865), (2265, 92168), (2460, 84862), (2810, 74292), (3020, 69126), (3372, 61910), (3624, 57605), (4215, 49528), (4530, 46084), (4920, 42431), (5620, 37146), (6040, 34563), (6191, 33720), (6744, 30955), (8430, 24764), (9060, 23042), (11240, 18573), (11521, 18120), (12382, 16860)]