30936780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{571}}^1$

素因数の和:636

約数の個数: 144

約数和(自身を含む): 109933824

約数和(自身を除く): 78997044

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 43, 45, 60, 63, 70, 84, 86, 90, 105, 126, 129, 140, 172, 180, 210, 215, 252, 258, 301, 315, 387, 420, 430, 516, 571, 602, 630, 645, 774, 860, 903, 1142, 1204, 1260, 1290, 1505, 1548, 1713, 1806, 1935, 2284, 2580, 2709, 2855, 3010, 3426, 3612, 3870, 3997, 4515, 5139, 5418, 5710, 6020, 6852, 7740, 7994, 8565, 9030, 10278, 10836, 11420, 11991, 13545, 15988, 17130, 18060, 19985, 20556, 23982, 24553, 25695, 27090, 34260, 35973, 39970, 47964, 49106, 51390, 54180, 59955, 71946, 73659, 79940, 98212, 102780, 119910, 122765, 143892, 147318, 171871, 179865, 220977, 239820, 245530, 294636, 343742, 359730, 368295, 441954, 491060, 515613, 687484, 719460, 736590, 859355, 883908, 1031226, 1104885, 1473180, 1546839, 1718710, 2062452, 2209770, 2578065, 3093678, 3437420, 4419540, 5156130, 6187356, 7734195, 10312260, 15468390, 30936780]

約数ペア:

[(1, 30936780), (2, 15468390), (3, 10312260), (4, 7734195), (5, 6187356), (6, 5156130), (7, 4419540), (9, 3437420), (10, 3093678), (12, 2578065), (14, 2209770), (15, 2062452), (18, 1718710), (20, 1546839), (21, 1473180), (28, 1104885), (30, 1031226), (35, 883908), (36, 859355), (42, 736590), (43, 719460), (45, 687484), (60, 515613), (63, 491060), (70, 441954), (84, 368295), (86, 359730), (90, 343742), (105, 294636), (126, 245530), (129, 239820), (140, 220977), (172, 179865), (180, 171871), (210, 147318), (215, 143892), (252, 122765), (258, 119910), (301, 102780), (315, 98212), (387, 79940), (420, 73659), (430, 71946), (516, 59955), (571, 54180), (602, 51390), (630, 49106), (645, 47964), (774, 39970), (860, 35973), (903, 34260), (1142, 27090), (1204, 25695), (1260, 24553), (1290, 23982), (1505, 20556), (1548, 19985), (1713, 18060), (1806, 17130), (1935, 15988), (2284, 13545), (2580, 11991), (2709, 11420), (2855, 10836), (3010, 10278), (3426, 9030), (3612, 8565), (3870, 7994), (3997, 7740), (4515, 6852), (5139, 6020), (5418, 5710)]