55721120

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:167

約数の個数: 192

約数和(自身を含む): 167650560

約数和(自身を除く): 111929440

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 43, 52, 56, 65, 70, 80, 86, 89, 91, 104, 112, 130, 140, 160, 172, 178, 182, 208, 215, 224, 260, 280, 301, 344, 356, 364, 416, 430, 445, 455, 520, 559, 560, 602, 623, 688, 712, 728, 860, 890, 910, 1040, 1118, 1120, 1157, 1204, 1246, 1376, 1424, 1456, 1505, 1720, 1780, 1820, 2080, 2236, 2314, 2408, 2492, 2795, 2848, 2912, 3010, 3115, 3440, 3560, 3640, 3827, 3913, 4472, 4628, 4816, 4984, 5590, 5785, 6020, 6230, 6880, 7120, 7280, 7654, 7826, 8099, 8944, 9256, 9632, 9968, 11180, 11570, 12040, 12460, 14240, 14560, 15308, 15652, 16198, 17888, 18512, 19135, 19565, 19936, 22360, 23140, 24080, 24920, 26789, 30616, 31304, 32396, 37024, 38270, 39130, 40495, 44720, 46280, 48160, 49751, 49840, 53578, 61232, 62608, 64792, 76540, 78260, 80990, 89440, 92560, 99502, 99680, 107156, 122464, 125216, 129584, 133945, 153080, 156520, 161980, 185120, 199004, 214312, 248755, 259168, 267890, 306160, 313040, 323960, 348257, 398008, 428624, 497510, 535780, 612320, 626080, 647920, 696514, 796016, 857248, 995020, 1071560, 1295840, 1393028, 1592032, 1741285, 1990040, 2143120, 2786056, 3482570, 3980080, 4286240, 5572112, 6965140, 7960160, 11144224, 13930280, 27860560, 55721120]

約数ペア:

[(1, 55721120), (2, 27860560), (4, 13930280), (5, 11144224), (7, 7960160), (8, 6965140), (10, 5572112), (13, 4286240), (14, 3980080), (16, 3482570), (20, 2786056), (26, 2143120), (28, 1990040), (32, 1741285), (35, 1592032), (40, 1393028), (43, 1295840), (52, 1071560), (56, 995020), (65, 857248), (70, 796016), (80, 696514), (86, 647920), (89, 626080), (91, 612320), (104, 535780), (112, 497510), (130, 428624), (140, 398008), (160, 348257), (172, 323960), (178, 313040), (182, 306160), (208, 267890), (215, 259168), (224, 248755), (260, 214312), (280, 199004), (301, 185120), (344, 161980), (356, 156520), (364, 153080), (416, 133945), (430, 129584), (445, 125216), (455, 122464), (520, 107156), (559, 99680), (560, 99502), (602, 92560), (623, 89440), (688, 80990), (712, 78260), (728, 76540), (860, 64792), (890, 62608), (910, 61232), (1040, 53578), (1118, 49840), (1120, 49751), (1157, 48160), (1204, 46280), (1246, 44720), (1376, 40495), (1424, 39130), (1456, 38270), (1505, 37024), (1720, 32396), (1780, 31304), (1820, 30616), (2080, 26789), (2236, 24920), (2314, 24080), (2408, 23140), (2492, 22360), (2795, 19936), (2848, 19565), (2912, 19135), (3010, 18512), (3115, 17888), (3440, 16198), (3560, 15652), (3640, 15308), (3827, 14560), (3913, 14240), (4472, 12460), (4628, 12040), (4816, 11570), (4984, 11180), (5590, 9968), (5785, 9632), (6020, 9256), (6230, 8944), (6880, 8099), (7120, 7826), (7280, 7654)]