27860560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:165

約数の個数: 160

約数和(自身を含む): 82494720

約数和(自身を除く): 54634160

約数列:

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

約数ペア:

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