1570781720

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{137}}^1$

素因数の和:373

約数の個数: 128

約数和(自身を含む): 3745474560

約数和(自身を除く): 2174692840

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 61, 74, 122, 127, 137, 148, 185, 244, 254, 274, 296, 305, 370, 488, 508, 548, 610, 635, 685, 740, 1016, 1096, 1220, 1270, 1370, 1480, 2257, 2440, 2540, 2740, 4514, 4699, 5069, 5080, 5480, 7747, 8357, 9028, 9398, 10138, 11285, 15494, 16714, 17399, 18056, 18796, 20276, 22570, 23495, 25345, 30988, 33428, 34798, 37592, 38735, 40552, 41785, 45140, 46990, 50690, 61976, 66856, 69596, 77470, 83570, 86995, 90280, 93980, 101380, 139192, 154940, 167140, 173990, 187960, 202760, 286639, 309209, 309880, 334280, 347980, 573278, 618418, 643763, 695960, 1061339, 1146556, 1236836, 1287526, 1433195, 1546045, 2122678, 2293112, 2473672, 2575052, 2866390, 3092090, 3218815, 4245356, 5150104, 5306695, 5732780, 6184180, 6437630, 8490712, 10613390, 11465560, 12368360, 12875260, 21226780, 25750520, 39269543, 42453560, 78539086, 157078172, 196347715, 314156344, 392695430, 785390860, 1570781720]

約数ペア:

[(1, 1570781720), (2, 785390860), (4, 392695430), (5, 314156344), (8, 196347715), (10, 157078172), (20, 78539086), (37, 42453560), (40, 39269543), (61, 25750520), (74, 21226780), (122, 12875260), (127, 12368360), (137, 11465560), (148, 10613390), (185, 8490712), (244, 6437630), (254, 6184180), (274, 5732780), (296, 5306695), (305, 5150104), (370, 4245356), (488, 3218815), (508, 3092090), (548, 2866390), (610, 2575052), (635, 2473672), (685, 2293112), (740, 2122678), (1016, 1546045), (1096, 1433195), (1220, 1287526), (1270, 1236836), (1370, 1146556), (1480, 1061339), (2257, 695960), (2440, 643763), (2540, 618418), (2740, 573278), (4514, 347980), (4699, 334280), (5069, 309880), (5080, 309209), (5480, 286639), (7747, 202760), (8357, 187960), (9028, 173990), (9398, 167140), (10138, 154940), (11285, 139192), (15494, 101380), (16714, 93980), (17399, 90280), (18056, 86995), (18796, 83570), (20276, 77470), (22570, 69596), (23495, 66856), (25345, 61976), (30988, 50690), (33428, 46990), (34798, 45140), (37592, 41785), (38735, 40552)]