156720496280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{653}}^1\times {\mathrm{193549}}^1$

素因数の和:194244

約数の個数: 64

約数和(自身を含む): 364555296000

約数和(自身を除く): 207834799720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 653, 1240, 1306, 2612, 3265, 5224, 6530, 13060, 20243, 26120, 40486, 80972, 101215, 161944, 193549, 202430, 387098, 404860, 774196, 809720, 967745, 1548392, 1935490, 3870980, 6000019, 7741960, 12000038, 24000076, 30000095, 48000152, 60000190, 120000380, 126387497, 240000760, 252774994, 505549988, 631937485, 1011099976, 1263874970, 2527749940, 3918012407, 5055499880, 7836024814, 15672049628, 19590062035, 31344099256, 39180124070, 78360248140, 156720496280]

約数ペア:

[(1, 156720496280), (2, 78360248140), (4, 39180124070), (5, 31344099256), (8, 19590062035), (10, 15672049628), (20, 7836024814), (31, 5055499880), (40, 3918012407), (62, 2527749940), (124, 1263874970), (155, 1011099976), (248, 631937485), (310, 505549988), (620, 252774994), (653, 240000760), (1240, 126387497), (1306, 120000380), (2612, 60000190), (3265, 48000152), (5224, 30000095), (6530, 24000076), (13060, 12000038), (20243, 7741960), (26120, 6000019), (40486, 3870980), (80972, 1935490), (101215, 1548392), (161944, 967745), (193549, 809720), (202430, 774196), (387098, 404860)]