64071280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{677}}^1$

素因数の和:723

約数の個数: 120

約数和(自身を含む): 184622112

約数和(自身を除く): 120550832

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, 169, 182, 208, 260, 280, 338, 364, 455, 520, 560, 676, 677, 728, 845, 910, 1040, 1183, 1352, 1354, 1456, 1690, 1820, 2366, 2704, 2708, 3380, 3385, 3640, 4732, 4739, 5416, 5915, 6760, 6770, 7280, 8801, 9464, 9478, 10832, 11830, 13520, 13540, 17602, 18928, 18956, 23660, 23695, 27080, 35204, 37912, 44005, 47320, 47390, 54160, 61607, 70408, 75824, 88010, 94640, 94780, 114413, 123214, 140816, 176020, 189560, 228826, 246428, 308035, 352040, 379120, 457652, 492856, 572065, 616070, 704080, 800891, 915304, 985712, 1144130, 1232140, 1601782, 1830608, 2288260, 2464280, 3203564, 4004455, 4576520, 4928560, 6407128, 8008910, 9153040, 12814256, 16017820, 32035640, 64071280]

約数ペア:

[(1, 64071280), (2, 32035640), (4, 16017820), (5, 12814256), (7, 9153040), (8, 8008910), (10, 6407128), (13, 4928560), (14, 4576520), (16, 4004455), (20, 3203564), (26, 2464280), (28, 2288260), (35, 1830608), (40, 1601782), (52, 1232140), (56, 1144130), (65, 985712), (70, 915304), (80, 800891), (91, 704080), (104, 616070), (112, 572065), (130, 492856), (140, 457652), (169, 379120), (182, 352040), (208, 308035), (260, 246428), (280, 228826), (338, 189560), (364, 176020), (455, 140816), (520, 123214), (560, 114413), (676, 94780), (677, 94640), (728, 88010), (845, 75824), (910, 70408), (1040, 61607), (1183, 54160), (1352, 47390), (1354, 47320), (1456, 44005), (1690, 37912), (1820, 35204), (2366, 27080), (2704, 23695), (2708, 23660), (3380, 18956), (3385, 18928), (3640, 17602), (4732, 13540), (4739, 13520), (5416, 11830), (5915, 10832), (6760, 9478), (6770, 9464), (7280, 8801)]