30809660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{229}}^1$

素因数の和:307

約数の個数: 72

約数和(自身を含む): 76739040

約数和(自身を除く): 45929380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 229, 310, 434, 458, 620, 868, 916, 961, 1085, 1145, 1603, 1922, 2170, 2290, 3206, 3844, 4340, 4580, 4805, 6412, 6727, 7099, 8015, 9610, 13454, 14198, 16030, 19220, 26908, 28396, 32060, 33635, 35495, 49693, 67270, 70990, 99386, 134540, 141980, 198772, 220069, 248465, 440138, 496930, 880276, 993860, 1100345, 1540483, 2200690, 3080966, 4401380, 6161932, 7702415, 15404830, 30809660]

約数ペア:

[(1, 30809660), (2, 15404830), (4, 7702415), (5, 6161932), (7, 4401380), (10, 3080966), (14, 2200690), (20, 1540483), (28, 1100345), (31, 993860), (35, 880276), (62, 496930), (70, 440138), (124, 248465), (140, 220069), (155, 198772), (217, 141980), (229, 134540), (310, 99386), (434, 70990), (458, 67270), (620, 49693), (868, 35495), (916, 33635), (961, 32060), (1085, 28396), (1145, 26908), (1603, 19220), (1922, 16030), (2170, 14198), (2290, 13454), (3206, 9610), (3844, 8015), (4340, 7099), (4580, 6727), (4805, 6412)]