217951360

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{373}}^1$

素因数の和:486

約数の個数: 128

約数和(自身を含む): 576797760

約数和(自身を除く): 358846400

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 83, 88, 110, 128, 160, 166, 176, 220, 320, 332, 352, 373, 415, 440, 640, 664, 704, 746, 830, 880, 913, 1328, 1408, 1492, 1660, 1760, 1826, 1865, 2656, 2984, 3320, 3520, 3652, 3730, 4103, 4565, 5312, 5968, 6640, 7040, 7304, 7460, 8206, 9130, 10624, 11936, 13280, 14608, 14920, 16412, 18260, 20515, 23872, 26560, 29216, 29840, 30959, 32824, 36520, 41030, 47744, 53120, 58432, 59680, 61918, 65648, 73040, 82060, 116864, 119360, 123836, 131296, 146080, 154795, 164120, 238720, 247672, 262592, 292160, 309590, 328240, 340549, 495344, 525184, 584320, 619180, 656480, 681098, 990688, 1238360, 1312960, 1362196, 1702745, 1981376, 2476720, 2625920, 2724392, 3405490, 3962752, 4953440, 5448784, 6810980, 9906880, 10897568, 13621960, 19813760, 21795136, 27243920, 43590272, 54487840, 108975680, 217951360]

約数ペア:

[(1, 217951360), (2, 108975680), (4, 54487840), (5, 43590272), (8, 27243920), (10, 21795136), (11, 19813760), (16, 13621960), (20, 10897568), (22, 9906880), (32, 6810980), (40, 5448784), (44, 4953440), (55, 3962752), (64, 3405490), (80, 2724392), (83, 2625920), (88, 2476720), (110, 1981376), (128, 1702745), (160, 1362196), (166, 1312960), (176, 1238360), (220, 990688), (320, 681098), (332, 656480), (352, 619180), (373, 584320), (415, 525184), (440, 495344), (640, 340549), (664, 328240), (704, 309590), (746, 292160), (830, 262592), (880, 247672), (913, 238720), (1328, 164120), (1408, 154795), (1492, 146080), (1660, 131296), (1760, 123836), (1826, 119360), (1865, 116864), (2656, 82060), (2984, 73040), (3320, 65648), (3520, 61918), (3652, 59680), (3730, 58432), (4103, 53120), (4565, 47744), (5312, 41030), (5968, 36520), (6640, 32824), (7040, 30959), (7304, 29840), (7460, 29216), (8206, 26560), (9130, 23872), (10624, 20515), (11936, 18260), (13280, 16412), (14608, 14920)]