216845720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1453}}^1$

素因数の和:1525

約数の個数: 128

約数和(自身を含む): 615565440

約数和(自身を除く): 398719720

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 41, 52, 56, 65, 70, 82, 91, 104, 130, 140, 164, 182, 205, 260, 280, 287, 328, 364, 410, 455, 520, 533, 574, 728, 820, 910, 1066, 1148, 1435, 1453, 1640, 1820, 2132, 2296, 2665, 2870, 2906, 3640, 3731, 4264, 5330, 5740, 5812, 7265, 7462, 10171, 10660, 11480, 11624, 14530, 14924, 18655, 18889, 20342, 21320, 29060, 29848, 37310, 37778, 40684, 50855, 58120, 59573, 74620, 75556, 81368, 94445, 101710, 119146, 132223, 149240, 151112, 188890, 203420, 238292, 264446, 297865, 377780, 406840, 417011, 476584, 528892, 595730, 661115, 755560, 774449, 834022, 1057784, 1191460, 1322230, 1548898, 1668044, 2085055, 2382920, 2644460, 3097796, 3336088, 3872245, 4170110, 5288920, 5421143, 6195592, 7744490, 8340220, 10842286, 15488980, 16680440, 21684572, 27105715, 30977960, 43369144, 54211430, 108422860, 216845720]

約数ペア:

[(1, 216845720), (2, 108422860), (4, 54211430), (5, 43369144), (7, 30977960), (8, 27105715), (10, 21684572), (13, 16680440), (14, 15488980), (20, 10842286), (26, 8340220), (28, 7744490), (35, 6195592), (40, 5421143), (41, 5288920), (52, 4170110), (56, 3872245), (65, 3336088), (70, 3097796), (82, 2644460), (91, 2382920), (104, 2085055), (130, 1668044), (140, 1548898), (164, 1322230), (182, 1191460), (205, 1057784), (260, 834022), (280, 774449), (287, 755560), (328, 661115), (364, 595730), (410, 528892), (455, 476584), (520, 417011), (533, 406840), (574, 377780), (728, 297865), (820, 264446), (910, 238292), (1066, 203420), (1148, 188890), (1435, 151112), (1453, 149240), (1640, 132223), (1820, 119146), (2132, 101710), (2296, 94445), (2665, 81368), (2870, 75556), (2906, 74620), (3640, 59573), (3731, 58120), (4264, 50855), (5330, 40684), (5740, 37778), (5812, 37310), (7265, 29848), (7462, 29060), (10171, 21320), (10660, 20342), (11480, 18889), (11624, 18655), (14530, 14924)]