1289020020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{2789}}^1\times {\mathrm{7703}}^1$

素因数の和:10504

約数の個数: 48

約数和(自身を含む): 3611018880

約数和(自身を除く): 2321998860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 2789, 5578, 7703, 8367, 11156, 13945, 15406, 16734, 23109, 27890, 30812, 33468, 38515, 41835, 46218, 55780, 77030, 83670, 92436, 115545, 154060, 167340, 231090, 462180, 21483667, 42967334, 64451001, 85934668, 107418335, 128902002, 214836670, 257804004, 322255005, 429673340, 644510010, 1289020020]

約数ペア:

[(1, 1289020020), (2, 644510010), (3, 429673340), (4, 322255005), (5, 257804004), (6, 214836670), (10, 128902002), (12, 107418335), (15, 85934668), (20, 64451001), (30, 42967334), (60, 21483667), (2789, 462180), (5578, 231090), (7703, 167340), (8367, 154060), (11156, 115545), (13945, 92436), (15406, 83670), (16734, 77030), (23109, 55780), (27890, 46218), (30812, 41835), (33468, 38515)]