77418160

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{53}}^1$

素因数の和:147

約数の個数: 120

約数和(自身を含む): 199473840

約数和(自身を除く): 122055680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 53, 62, 76, 80, 95, 106, 124, 152, 155, 190, 212, 248, 265, 304, 310, 380, 424, 496, 530, 589, 620, 760, 848, 961, 1007, 1060, 1178, 1240, 1520, 1643, 1922, 2014, 2120, 2356, 2480, 2945, 3286, 3844, 4028, 4240, 4712, 4805, 5035, 5890, 6572, 7688, 8056, 8215, 9424, 9610, 10070, 11780, 13144, 15376, 16112, 16430, 18259, 19220, 20140, 23560, 26288, 31217, 32860, 36518, 38440, 40280, 47120, 50933, 62434, 65720, 73036, 76880, 80560, 91295, 101866, 124868, 131440, 146072, 156085, 182590, 203732, 249736, 254665, 292144, 312170, 365180, 407464, 499472, 509330, 624340, 730360, 814928, 967727, 1018660, 1248680, 1460720, 1935454, 2037320, 2497360, 3870908, 4074640, 4838635, 7741816, 9677270, 15483632, 19354540, 38709080, 77418160]

約数ペア:

[(1, 77418160), (2, 38709080), (4, 19354540), (5, 15483632), (8, 9677270), (10, 7741816), (16, 4838635), (19, 4074640), (20, 3870908), (31, 2497360), (38, 2037320), (40, 1935454), (53, 1460720), (62, 1248680), (76, 1018660), (80, 967727), (95, 814928), (106, 730360), (124, 624340), (152, 509330), (155, 499472), (190, 407464), (212, 365180), (248, 312170), (265, 292144), (304, 254665), (310, 249736), (380, 203732), (424, 182590), (496, 156085), (530, 146072), (589, 131440), (620, 124868), (760, 101866), (848, 91295), (961, 80560), (1007, 76880), (1060, 73036), (1178, 65720), (1240, 62434), (1520, 50933), (1643, 47120), (1922, 40280), (2014, 38440), (2120, 36518), (2356, 32860), (2480, 31217), (2945, 26288), (3286, 23560), (3844, 20140), (4028, 19220), (4240, 18259), (4712, 16430), (4805, 16112), (5035, 15376), (5890, 13144), (6572, 11780), (7688, 10070), (8056, 9610), (8215, 9424)]