30507320

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{12503}}^1$

素因数の和:12575

約数の個数: 32

約数和(自身を含む): 69772320

約数和(自身を除く): 39265000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 12503, 25006, 50012, 62515, 100024, 125030, 250060, 500120, 762683, 1525366, 3050732, 3813415, 6101464, 7626830, 15253660, 30507320]

約数ペア:

[(1, 30507320), (2, 15253660), (4, 7626830), (5, 6101464), (8, 3813415), (10, 3050732), (20, 1525366), (40, 762683), (61, 500120), (122, 250060), (244, 125030), (305, 100024), (488, 62515), (610, 50012), (1220, 25006), (2440, 12503)]