1661864960

素因数分解:

$2^{10}\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{521}}^1$

素因数の和:642

約数の個数: 176

約数和(自身を含む): 4616066880

約数和(自身を除く): 2954201920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 89, 112, 128, 140, 160, 178, 224, 256, 280, 320, 356, 445, 448, 512, 521, 560, 623, 640, 712, 890, 896, 1024, 1042, 1120, 1246, 1280, 1424, 1780, 1792, 2084, 2240, 2492, 2560, 2605, 2848, 3115, 3560, 3584, 3647, 4168, 4480, 4984, 5120, 5210, 5696, 6230, 7120, 7168, 7294, 8336, 8960, 9968, 10420, 11392, 12460, 14240, 14588, 16672, 17920, 18235, 19936, 20840, 22784, 24920, 28480, 29176, 33344, 35840, 36470, 39872, 41680, 45568, 46369, 49840, 56960, 58352, 66688, 72940, 79744, 83360, 91136, 92738, 99680, 113920, 116704, 133376, 145880, 159488, 166720, 185476, 199360, 227840, 231845, 233408, 266752, 291760, 318976, 324583, 333440, 370952, 398720, 455680, 463690, 466816, 533504, 583520, 637952, 649166, 666880, 741904, 797440, 927380, 933632, 1167040, 1298332, 1333760, 1483808, 1594880, 1622915, 1854760, 1867264, 2334080, 2596664, 2667520, 2967616, 3189760, 3245830, 3709520, 3734528, 4668160, 5193328, 5935232, 6491660, 7419040, 9336320, 10386656, 11870464, 12983320, 14838080, 18672640, 20773312, 23740928, 25966640, 29676160, 41546624, 47481856, 51933280, 59352320, 83093248, 103866560, 118704640, 166186496, 207733120, 237409280, 332372992, 415466240, 830932480, 1661864960]

約数ペア:

[(1, 1661864960), (2, 830932480), (4, 415466240), (5, 332372992), (7, 237409280), (8, 207733120), (10, 166186496), (14, 118704640), (16, 103866560), (20, 83093248), (28, 59352320), (32, 51933280), (35, 47481856), (40, 41546624), (56, 29676160), (64, 25966640), (70, 23740928), (80, 20773312), (89, 18672640), (112, 14838080), (128, 12983320), (140, 11870464), (160, 10386656), (178, 9336320), (224, 7419040), (256, 6491660), (280, 5935232), (320, 5193328), (356, 4668160), (445, 3734528), (448, 3709520), (512, 3245830), (521, 3189760), (560, 2967616), (623, 2667520), (640, 2596664), (712, 2334080), (890, 1867264), (896, 1854760), (1024, 1622915), (1042, 1594880), (1120, 1483808), (1246, 1333760), (1280, 1298332), (1424, 1167040), (1780, 933632), (1792, 927380), (2084, 797440), (2240, 741904), (2492, 666880), (2560, 649166), (2605, 637952), (2848, 583520), (3115, 533504), (3560, 466816), (3584, 463690), (3647, 455680), (4168, 398720), (4480, 370952), (4984, 333440), (5120, 324583), (5210, 318976), (5696, 291760), (6230, 266752), (7120, 233408), (7168, 231845), (7294, 227840), (8336, 199360), (8960, 185476), (9968, 166720), (10420, 159488), (11392, 145880), (12460, 133376), (14240, 116704), (14588, 113920), (16672, 99680), (17920, 92738), (18235, 91136), (19936, 83360), (20840, 79744), (22784, 72940), (24920, 66688), (28480, 58352), (29176, 56960), (33344, 49840), (35840, 46369), (36470, 45568), (39872, 41680)]