72680960

素因数分解:

$2^9\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:152

約数の個数: 160

約数和(自身を含む): 198871200

約数和(自身を除く): 126190240

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 32, 40, 44, 55, 58, 64, 80, 88, 89, 110, 116, 128, 145, 160, 176, 178, 220, 232, 256, 290, 319, 320, 352, 356, 440, 445, 464, 512, 580, 638, 640, 704, 712, 880, 890, 928, 979, 1160, 1276, 1280, 1408, 1424, 1595, 1760, 1780, 1856, 1958, 2320, 2552, 2560, 2581, 2816, 2848, 3190, 3520, 3560, 3712, 3916, 4640, 4895, 5104, 5162, 5632, 5696, 6380, 7040, 7120, 7424, 7832, 9280, 9790, 10208, 10324, 11392, 12760, 12905, 14080, 14240, 14848, 15664, 18560, 19580, 20416, 20648, 22784, 25520, 25810, 28160, 28391, 28480, 31328, 37120, 39160, 40832, 41296, 45568, 51040, 51620, 56782, 56960, 62656, 74240, 78320, 81664, 82592, 102080, 103240, 113564, 113920, 125312, 141955, 156640, 163328, 165184, 204160, 206480, 227128, 227840, 250624, 283910, 313280, 330368, 408320, 412960, 454256, 501248, 567820, 626560, 660736, 816640, 825920, 908512, 1135640, 1253120, 1321472, 1651840, 1817024, 2271280, 2506240, 3303680, 3634048, 4542560, 6607360, 7268096, 9085120, 14536192, 18170240, 36340480, 72680960]

約数ペア:

[(1, 72680960), (2, 36340480), (4, 18170240), (5, 14536192), (8, 9085120), (10, 7268096), (11, 6607360), (16, 4542560), (20, 3634048), (22, 3303680), (29, 2506240), (32, 2271280), (40, 1817024), (44, 1651840), (55, 1321472), (58, 1253120), (64, 1135640), (80, 908512), (88, 825920), (89, 816640), (110, 660736), (116, 626560), (128, 567820), (145, 501248), (160, 454256), (176, 412960), (178, 408320), (220, 330368), (232, 313280), (256, 283910), (290, 250624), (319, 227840), (320, 227128), (352, 206480), (356, 204160), (440, 165184), (445, 163328), (464, 156640), (512, 141955), (580, 125312), (638, 113920), (640, 113564), (704, 103240), (712, 102080), (880, 82592), (890, 81664), (928, 78320), (979, 74240), (1160, 62656), (1276, 56960), (1280, 56782), (1408, 51620), (1424, 51040), (1595, 45568), (1760, 41296), (1780, 40832), (1856, 39160), (1958, 37120), (2320, 31328), (2552, 28480), (2560, 28391), (2581, 28160), (2816, 25810), (2848, 25520), (3190, 22784), (3520, 20648), (3560, 20416), (3712, 19580), (3916, 18560), (4640, 15664), (4895, 14848), (5104, 14240), (5162, 14080), (5632, 12905), (5696, 12760), (6380, 11392), (7040, 10324), (7120, 10208), (7424, 9790), (7832, 9280)]