57205720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:245

約数の個数: 128

約数和(自身を含む): 154405440

約数和(自身を除く): 97199720

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 73, 88, 104, 110, 130, 137, 143, 146, 220, 260, 274, 286, 292, 365, 440, 520, 548, 572, 584, 685, 715, 730, 803, 949, 1096, 1144, 1370, 1430, 1460, 1507, 1606, 1781, 1898, 2740, 2860, 2920, 3014, 3212, 3562, 3796, 4015, 4745, 5480, 5720, 6028, 6424, 7124, 7535, 7592, 8030, 8905, 9490, 10001, 10439, 12056, 14248, 15070, 16060, 17810, 18980, 19591, 20002, 20878, 30140, 32120, 35620, 37960, 39182, 40004, 41756, 50005, 52195, 60280, 71240, 78364, 80008, 83512, 97955, 100010, 104390, 110011, 130013, 156728, 195910, 200020, 208780, 220022, 260026, 391820, 400040, 417560, 440044, 520052, 550055, 650065, 783640, 880088, 1040104, 1100110, 1300130, 1430143, 2200220, 2600260, 2860286, 4400440, 5200520, 5720572, 7150715, 11441144, 14301430, 28602860, 57205720]

約数ペア:

[(1, 57205720), (2, 28602860), (4, 14301430), (5, 11441144), (8, 7150715), (10, 5720572), (11, 5200520), (13, 4400440), (20, 2860286), (22, 2600260), (26, 2200220), (40, 1430143), (44, 1300130), (52, 1100110), (55, 1040104), (65, 880088), (73, 783640), (88, 650065), (104, 550055), (110, 520052), (130, 440044), (137, 417560), (143, 400040), (146, 391820), (220, 260026), (260, 220022), (274, 208780), (286, 200020), (292, 195910), (365, 156728), (440, 130013), (520, 110011), (548, 104390), (572, 100010), (584, 97955), (685, 83512), (715, 80008), (730, 78364), (803, 71240), (949, 60280), (1096, 52195), (1144, 50005), (1370, 41756), (1430, 40004), (1460, 39182), (1507, 37960), (1606, 35620), (1781, 32120), (1898, 30140), (2740, 20878), (2860, 20002), (2920, 19591), (3014, 18980), (3212, 17810), (3562, 16060), (3796, 15070), (4015, 14248), (4745, 12056), (5480, 10439), (5720, 10001), (6028, 9490), (6424, 8905), (7124, 8030), (7535, 7592)]