19760040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{419}}^1$

素因数の和:567

約数の個数: 96

約数和(自身を含む): 64864800

約数和(自身を除く): 45104760

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, 131, 180, 262, 360, 393, 419, 524, 655, 786, 838, 1048, 1179, 1257, 1310, 1572, 1676, 1965, 2095, 2358, 2514, 2620, 3144, 3352, 3771, 3930, 4190, 4716, 5028, 5240, 5895, 6285, 7542, 7860, 8380, 9432, 10056, 11790, 12570, 15084, 15720, 16760, 18855, 23580, 25140, 30168, 37710, 47160, 50280, 54889, 75420, 109778, 150840, 164667, 219556, 274445, 329334, 439112, 494001, 548890, 658668, 823335, 988002, 1097780, 1317336, 1646670, 1976004, 2195560, 2470005, 3293340, 3952008, 4940010, 6586680, 9880020, 19760040]

約数ペア:

[(1, 19760040), (2, 9880020), (3, 6586680), (4, 4940010), (5, 3952008), (6, 3293340), (8, 2470005), (9, 2195560), (10, 1976004), (12, 1646670), (15, 1317336), (18, 1097780), (20, 988002), (24, 823335), (30, 658668), (36, 548890), (40, 494001), (45, 439112), (60, 329334), (72, 274445), (90, 219556), (120, 164667), (131, 150840), (180, 109778), (262, 75420), (360, 54889), (393, 50280), (419, 47160), (524, 37710), (655, 30168), (786, 25140), (838, 23580), (1048, 18855), (1179, 16760), (1257, 15720), (1310, 15084), (1572, 12570), (1676, 11790), (1965, 10056), (2095, 9432), (2358, 8380), (2514, 7860), (2620, 7542), (3144, 6285), (3352, 5895), (3771, 5240), (3930, 5028), (4190, 4716)]