30408420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{10343}}^1$

素因数の和:10369

約数の個数: 72

約数和(自身を含む): 99054144

約数和(自身を除く): 68645724

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 10343, 20686, 31029, 41372, 51715, 62058, 72401, 103430, 124116, 144802, 155145, 206860, 217203, 289604, 310290, 362005, 434406, 506807, 620580, 724010, 868812, 1013614, 1086015, 1448020, 1520421, 2027228, 2172030, 2534035, 3040842, 4344060, 5068070, 6081684, 7602105, 10136140, 15204210, 30408420]

約数ペア:

[(1, 30408420), (2, 15204210), (3, 10136140), (4, 7602105), (5, 6081684), (6, 5068070), (7, 4344060), (10, 3040842), (12, 2534035), (14, 2172030), (15, 2027228), (20, 1520421), (21, 1448020), (28, 1086015), (30, 1013614), (35, 868812), (42, 724010), (49, 620580), (60, 506807), (70, 434406), (84, 362005), (98, 310290), (105, 289604), (140, 217203), (147, 206860), (196, 155145), (210, 144802), (245, 124116), (294, 103430), (420, 72401), (490, 62058), (588, 51715), (735, 41372), (980, 31029), (1470, 20686), (2940, 10343)]