19580040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{397}}^1$

素因数の和:551

約数の個数: 96

約数和(自身を含む): 64261080

約数和(自身を除く): 44681040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 137, 180, 274, 360, 397, 411, 548, 685, 794, 822, 1096, 1191, 1233, 1370, 1588, 1644, 1985, 2055, 2382, 2466, 2740, 3176, 3288, 3573, 3970, 4110, 4764, 4932, 5480, 5955, 6165, 7146, 7940, 8220, 9528, 9864, 11910, 12330, 14292, 15880, 16440, 17865, 23820, 24660, 28584, 35730, 47640, 49320, 54389, 71460, 108778, 142920, 163167, 217556, 271945, 326334, 435112, 489501, 543890, 652668, 815835, 979002, 1087780, 1305336, 1631670, 1958004, 2175560, 2447505, 3263340, 3916008, 4895010, 6526680, 9790020, 19580040]

約数ペア:

[(1, 19580040), (2, 9790020), (3, 6526680), (4, 4895010), (5, 3916008), (6, 3263340), (8, 2447505), (9, 2175560), (10, 1958004), (12, 1631670), (15, 1305336), (18, 1087780), (20, 979002), (24, 815835), (30, 652668), (36, 543890), (40, 489501), (45, 435112), (60, 326334), (72, 271945), (90, 217556), (120, 163167), (137, 142920), (180, 108778), (274, 71460), (360, 54389), (397, 49320), (411, 47640), (548, 35730), (685, 28584), (794, 24660), (822, 23820), (1096, 17865), (1191, 16440), (1233, 15880), (1370, 14292), (1588, 12330), (1644, 11910), (1985, 9864), (2055, 9528), (2382, 8220), (2466, 7940), (2740, 7146), (3176, 6165), (3288, 5955), (3573, 5480), (3970, 4932), (4110, 4764)]