30383720

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{229}}^1$

素因数の和:378

約数の個数: 64

約数和(自身を含む): 71539200

約数和(自身を除く): 41155480

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 107, 124, 155, 214, 229, 248, 310, 428, 458, 535, 620, 856, 916, 1070, 1145, 1240, 1832, 2140, 2290, 3317, 4280, 4580, 6634, 7099, 9160, 13268, 14198, 16585, 24503, 26536, 28396, 33170, 35495, 49006, 56792, 66340, 70990, 98012, 122515, 132680, 141980, 196024, 245030, 283960, 490060, 759593, 980120, 1519186, 3038372, 3797965, 6076744, 7595930, 15191860, 30383720]

約数ペア:

[(1, 30383720), (2, 15191860), (4, 7595930), (5, 6076744), (8, 3797965), (10, 3038372), (20, 1519186), (31, 980120), (40, 759593), (62, 490060), (107, 283960), (124, 245030), (155, 196024), (214, 141980), (229, 132680), (248, 122515), (310, 98012), (428, 70990), (458, 66340), (535, 56792), (620, 49006), (856, 35495), (916, 33170), (1070, 28396), (1145, 26536), (1240, 24503), (1832, 16585), (2140, 14198), (2290, 13268), (3317, 9160), (4280, 7099), (4580, 6634)]