1289778870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1019}}^1\times {\mathrm{1361}}^1$

素因数の和:2421

約数の個数: 64

約数和(自身を含む): 3200808960

約数和(自身を除く): 1911030090

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 310, 465, 930, 1019, 1361, 2038, 2722, 3057, 4083, 5095, 6114, 6805, 8166, 10190, 13610, 15285, 20415, 30570, 31589, 40830, 42191, 63178, 84382, 94767, 126573, 157945, 189534, 210955, 253146, 315890, 421910, 473835, 632865, 947670, 1265730, 1386859, 2773718, 4160577, 6934295, 8321154, 13868590, 20802885, 41605770, 42992629, 85985258, 128977887, 214963145, 257955774, 429926290, 644889435, 1289778870]

約数ペア:

[(1, 1289778870), (2, 644889435), (3, 429926290), (5, 257955774), (6, 214963145), (10, 128977887), (15, 85985258), (30, 42992629), (31, 41605770), (62, 20802885), (93, 13868590), (155, 8321154), (186, 6934295), (310, 4160577), (465, 2773718), (930, 1386859), (1019, 1265730), (1361, 947670), (2038, 632865), (2722, 473835), (3057, 421910), (4083, 315890), (5095, 253146), (6114, 210955), (6805, 189534), (8166, 157945), (10190, 126573), (13610, 94767), (15285, 84382), (20415, 63178), (30570, 42191), (31589, 40830)]