669200720

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{1811}}^1$

素因数の和:2004

約数の個数: 80

約数和(自身を含む): 1617753600

約数和(自身を除く): 948552880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 149, 155, 248, 298, 310, 496, 596, 620, 745, 1192, 1240, 1490, 1811, 2384, 2480, 2980, 3622, 4619, 5960, 7244, 9055, 9238, 11920, 14488, 18110, 18476, 23095, 28976, 36220, 36952, 46190, 56141, 72440, 73904, 92380, 112282, 144880, 184760, 224564, 269839, 280705, 369520, 449128, 539678, 561410, 898256, 1079356, 1122820, 1349195, 2158712, 2245640, 2698390, 4317424, 4491280, 5396780, 8365009, 10793560, 16730018, 21587120, 33460036, 41825045, 66920072, 83650090, 133840144, 167300180, 334600360, 669200720]

約数ペア:

[(1, 669200720), (2, 334600360), (4, 167300180), (5, 133840144), (8, 83650090), (10, 66920072), (16, 41825045), (20, 33460036), (31, 21587120), (40, 16730018), (62, 10793560), (80, 8365009), (124, 5396780), (149, 4491280), (155, 4317424), (248, 2698390), (298, 2245640), (310, 2158712), (496, 1349195), (596, 1122820), (620, 1079356), (745, 898256), (1192, 561410), (1240, 539678), (1490, 449128), (1811, 369520), (2384, 280705), (2480, 269839), (2980, 224564), (3622, 184760), (4619, 144880), (5960, 112282), (7244, 92380), (9055, 73904), (9238, 72440), (11920, 56141), (14488, 46190), (18110, 36952), (18476, 36220), (23095, 28976)]