30415280

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{7759}}^1$

素因数の和:7786

約数の個数: 60

約数和(自身を含む): 82271520

約数和(自身を除く): 51856240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 7759, 15518, 31036, 38795, 54313, 62072, 77590, 108626, 124144, 155180, 217252, 271565, 310360, 380191, 434504, 543130, 620720, 760382, 869008, 1086260, 1520764, 1900955, 2172520, 3041528, 3801910, 4345040, 6083056, 7603820, 15207640, 30415280]

約数ペア:

[(1, 30415280), (2, 15207640), (4, 7603820), (5, 6083056), (7, 4345040), (8, 3801910), (10, 3041528), (14, 2172520), (16, 1900955), (20, 1520764), (28, 1086260), (35, 869008), (40, 760382), (49, 620720), (56, 543130), (70, 434504), (80, 380191), (98, 310360), (112, 271565), (140, 217252), (196, 155180), (245, 124144), (280, 108626), (392, 77590), (490, 62072), (560, 54313), (784, 38795), (980, 31036), (1960, 15518), (3920, 7759)]