217964560

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^3\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:158

約数の個数: 160

約数和(自身を含む): 588176640

約数和(自身を除く): 370212080

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 40, 44, 46, 55, 80, 88, 89, 92, 110, 115, 121, 176, 178, 184, 220, 230, 242, 253, 356, 368, 440, 445, 460, 484, 506, 605, 712, 880, 890, 920, 968, 979, 1012, 1210, 1265, 1331, 1424, 1780, 1840, 1936, 1958, 2024, 2047, 2420, 2530, 2662, 2783, 3560, 3916, 4048, 4094, 4840, 4895, 5060, 5324, 5566, 6655, 7120, 7832, 8188, 9680, 9790, 10120, 10235, 10648, 10769, 11132, 13310, 13915, 15664, 16376, 19580, 20240, 20470, 21296, 21538, 22264, 22517, 26620, 27830, 30613, 32752, 39160, 40940, 43076, 44528, 45034, 53240, 53845, 55660, 61226, 78320, 81880, 86152, 90068, 106480, 107690, 111320, 112585, 118459, 122452, 153065, 163760, 172304, 180136, 215380, 222640, 225170, 236918, 244904, 247687, 306130, 360272, 430760, 450340, 473836, 489808, 495374, 592295, 612260, 861520, 900680, 947672, 990748, 1184590, 1224520, 1238435, 1801360, 1895344, 1981496, 2369180, 2449040, 2476870, 2724557, 3962992, 4738360, 4953740, 5449114, 9476720, 9907480, 10898228, 13622785, 19814960, 21796456, 27245570, 43592912, 54491140, 108982280, 217964560]

約数ペア:

[(1, 217964560), (2, 108982280), (4, 54491140), (5, 43592912), (8, 27245570), (10, 21796456), (11, 19814960), (16, 13622785), (20, 10898228), (22, 9907480), (23, 9476720), (40, 5449114), (44, 4953740), (46, 4738360), (55, 3962992), (80, 2724557), (88, 2476870), (89, 2449040), (92, 2369180), (110, 1981496), (115, 1895344), (121, 1801360), (176, 1238435), (178, 1224520), (184, 1184590), (220, 990748), (230, 947672), (242, 900680), (253, 861520), (356, 612260), (368, 592295), (440, 495374), (445, 489808), (460, 473836), (484, 450340), (506, 430760), (605, 360272), (712, 306130), (880, 247687), (890, 244904), (920, 236918), (968, 225170), (979, 222640), (1012, 215380), (1210, 180136), (1265, 172304), (1331, 163760), (1424, 153065), (1780, 122452), (1840, 118459), (1936, 112585), (1958, 111320), (2024, 107690), (2047, 106480), (2420, 90068), (2530, 86152), (2662, 81880), (2783, 78320), (3560, 61226), (3916, 55660), (4048, 53845), (4094, 53240), (4840, 45034), (4895, 44528), (5060, 43076), (5324, 40940), (5566, 39160), (6655, 32752), (7120, 30613), (7832, 27830), (8188, 26620), (9680, 22517), (9790, 22264), (10120, 21538), (10235, 21296), (10648, 20470), (10769, 20240), (11132, 19580), (13310, 16376), (13915, 15664)]