61887280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8501}}^1$

素因数の和:8534

約数の個数: 80

約数和(自身を含む): 177113664

約数和(自身を除く): 115226384

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 8501, 17002, 34004, 42505, 59507, 68008, 85010, 110513, 119014, 136016, 170020, 221026, 238028, 297535, 340040, 442052, 476056, 552565, 595070, 680080, 773591, 884104, 952112, 1105130, 1190140, 1547182, 1768208, 2210260, 2380280, 3094364, 3867955, 4420520, 4760560, 6188728, 7735910, 8841040, 12377456, 15471820, 30943640, 61887280]

約数ペア:

[(1, 61887280), (2, 30943640), (4, 15471820), (5, 12377456), (7, 8841040), (8, 7735910), (10, 6188728), (13, 4760560), (14, 4420520), (16, 3867955), (20, 3094364), (26, 2380280), (28, 2210260), (35, 1768208), (40, 1547182), (52, 1190140), (56, 1105130), (65, 952112), (70, 884104), (80, 773591), (91, 680080), (104, 595070), (112, 552565), (130, 476056), (140, 442052), (182, 340040), (208, 297535), (260, 238028), (280, 221026), (364, 170020), (455, 136016), (520, 119014), (560, 110513), (728, 85010), (910, 68008), (1040, 59507), (1456, 42505), (1820, 34004), (3640, 17002), (7280, 8501)]