91321120

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:179

約数の個数: 144

約数和(自身を含む): 244331640

約数和(自身を除く): 153010520

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 53, 55, 80, 88, 89, 106, 110, 121, 160, 176, 178, 212, 220, 242, 265, 352, 356, 424, 440, 445, 484, 530, 583, 605, 712, 848, 880, 890, 968, 979, 1060, 1166, 1210, 1424, 1696, 1760, 1780, 1936, 1958, 2120, 2332, 2420, 2848, 2915, 3560, 3872, 3916, 4240, 4664, 4717, 4840, 4895, 5830, 6413, 7120, 7832, 8480, 9328, 9434, 9680, 9790, 10769, 11660, 12826, 14240, 15664, 18656, 18868, 19360, 19580, 21538, 23320, 23585, 25652, 31328, 32065, 37736, 39160, 43076, 46640, 47170, 51304, 51887, 53845, 64130, 75472, 78320, 86152, 93280, 94340, 102608, 103774, 107690, 128260, 150944, 156640, 172304, 188680, 205216, 207548, 215380, 256520, 259435, 344608, 377360, 415096, 430760, 513040, 518870, 570757, 754720, 830192, 861520, 1026080, 1037740, 1141514, 1660384, 1723040, 2075480, 2283028, 2853785, 4150960, 4566056, 5707570, 8301920, 9132112, 11415140, 18264224, 22830280, 45660560, 91321120]

約数ペア:

[(1, 91321120), (2, 45660560), (4, 22830280), (5, 18264224), (8, 11415140), (10, 9132112), (11, 8301920), (16, 5707570), (20, 4566056), (22, 4150960), (32, 2853785), (40, 2283028), (44, 2075480), (53, 1723040), (55, 1660384), (80, 1141514), (88, 1037740), (89, 1026080), (106, 861520), (110, 830192), (121, 754720), (160, 570757), (176, 518870), (178, 513040), (212, 430760), (220, 415096), (242, 377360), (265, 344608), (352, 259435), (356, 256520), (424, 215380), (440, 207548), (445, 205216), (484, 188680), (530, 172304), (583, 156640), (605, 150944), (712, 128260), (848, 107690), (880, 103774), (890, 102608), (968, 94340), (979, 93280), (1060, 86152), (1166, 78320), (1210, 75472), (1424, 64130), (1696, 53845), (1760, 51887), (1780, 51304), (1936, 47170), (1958, 46640), (2120, 43076), (2332, 39160), (2420, 37736), (2848, 32065), (2915, 31328), (3560, 25652), (3872, 23585), (3916, 23320), (4240, 21538), (4664, 19580), (4717, 19360), (4840, 18868), (4895, 18656), (5830, 15664), (6413, 14240), (7120, 12826), (7832, 11660), (8480, 10769), (9328, 9790), (9434, 9680)]