210801780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{293}}^1\times {\mathrm{571}}^1$

素因数の和:886

約数の個数: 144

約数和(自身を含む): 734557824

約数和(自身を除く): 523756044

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 293, 315, 420, 571, 586, 630, 879, 1142, 1172, 1260, 1465, 1713, 1758, 2051, 2284, 2637, 2855, 2930, 3426, 3516, 3997, 4102, 4395, 5139, 5274, 5710, 5860, 6153, 6852, 7994, 8204, 8565, 8790, 10255, 10278, 10548, 11420, 11991, 12306, 13185, 15988, 17130, 17580, 18459, 19985, 20510, 20556, 23982, 24612, 25695, 26370, 30765, 34260, 35973, 36918, 39970, 41020, 47964, 51390, 52740, 59955, 61530, 71946, 73836, 79940, 92295, 102780, 119910, 123060, 143892, 167303, 179865, 184590, 239820, 334606, 359730, 369180, 501909, 669212, 719460, 836515, 1003818, 1171121, 1505727, 1673030, 2007636, 2342242, 2509545, 3011454, 3346060, 3513363, 4684484, 5019090, 5855605, 6022908, 7026726, 7528635, 10038180, 10540089, 11711210, 14053452, 15057270, 17566815, 21080178, 23422420, 30114540, 35133630, 42160356, 52700445, 70267260, 105400890, 210801780]

約数ペア:

[(1, 210801780), (2, 105400890), (3, 70267260), (4, 52700445), (5, 42160356), (6, 35133630), (7, 30114540), (9, 23422420), (10, 21080178), (12, 17566815), (14, 15057270), (15, 14053452), (18, 11711210), (20, 10540089), (21, 10038180), (28, 7528635), (30, 7026726), (35, 6022908), (36, 5855605), (42, 5019090), (45, 4684484), (60, 3513363), (63, 3346060), (70, 3011454), (84, 2509545), (90, 2342242), (105, 2007636), (126, 1673030), (140, 1505727), (180, 1171121), (210, 1003818), (252, 836515), (293, 719460), (315, 669212), (420, 501909), (571, 369180), (586, 359730), (630, 334606), (879, 239820), (1142, 184590), (1172, 179865), (1260, 167303), (1465, 143892), (1713, 123060), (1758, 119910), (2051, 102780), (2284, 92295), (2637, 79940), (2855, 73836), (2930, 71946), (3426, 61530), (3516, 59955), (3997, 52740), (4102, 51390), (4395, 47964), (5139, 41020), (5274, 39970), (5710, 36918), (5860, 35973), (6153, 34260), (6852, 30765), (7994, 26370), (8204, 25695), (8565, 24612), (8790, 23982), (10255, 20556), (10278, 20510), (10548, 19985), (11420, 18459), (11991, 17580), (12306, 17130), (13185, 15988)]