83257720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{257}}^1$

素因数の和:377

約数の個数: 128

約数和(自身を含む): 234057600

約数和(自身を除く): 150799880

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 89, 91, 104, 130, 140, 178, 182, 257, 260, 280, 356, 364, 445, 455, 514, 520, 623, 712, 728, 890, 910, 1028, 1157, 1246, 1285, 1780, 1799, 1820, 2056, 2314, 2492, 2570, 3115, 3341, 3560, 3598, 3640, 4628, 4984, 5140, 5785, 6230, 6682, 7196, 8099, 8995, 9256, 10280, 11570, 12460, 13364, 14392, 16198, 16705, 17990, 22873, 23140, 23387, 24920, 26728, 32396, 33410, 35980, 40495, 45746, 46280, 46774, 64792, 66820, 71960, 80990, 91492, 93548, 114365, 116935, 133640, 160111, 161980, 182984, 187096, 228730, 233870, 297349, 320222, 323960, 457460, 467740, 594698, 640444, 800555, 914920, 935480, 1189396, 1280888, 1486745, 1601110, 2081443, 2378792, 2973490, 3202220, 4162886, 5946980, 6404440, 8325772, 10407215, 11893960, 16651544, 20814430, 41628860, 83257720]

約数ペア:

[(1, 83257720), (2, 41628860), (4, 20814430), (5, 16651544), (7, 11893960), (8, 10407215), (10, 8325772), (13, 6404440), (14, 5946980), (20, 4162886), (26, 3202220), (28, 2973490), (35, 2378792), (40, 2081443), (52, 1601110), (56, 1486745), (65, 1280888), (70, 1189396), (89, 935480), (91, 914920), (104, 800555), (130, 640444), (140, 594698), (178, 467740), (182, 457460), (257, 323960), (260, 320222), (280, 297349), (356, 233870), (364, 228730), (445, 187096), (455, 182984), (514, 161980), (520, 160111), (623, 133640), (712, 116935), (728, 114365), (890, 93548), (910, 91492), (1028, 80990), (1157, 71960), (1246, 66820), (1285, 64792), (1780, 46774), (1799, 46280), (1820, 45746), (2056, 40495), (2314, 35980), (2492, 33410), (2570, 32396), (3115, 26728), (3341, 24920), (3560, 23387), (3598, 23140), (3640, 22873), (4628, 17990), (4984, 16705), (5140, 16198), (5785, 14392), (6230, 13364), (6682, 12460), (7196, 11570), (8099, 10280), (8995, 9256)]