304075720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{2081}}^1$

素因数の和:2386

約数の個数: 64

約数和(自身を含む): 739776240

約数和(自身を除く): 435700520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 281, 520, 562, 1124, 1405, 2081, 2248, 2810, 3653, 4162, 5620, 7306, 8324, 10405, 11240, 14612, 16648, 18265, 20810, 27053, 29224, 36530, 41620, 54106, 73060, 83240, 108212, 135265, 146120, 216424, 270530, 541060, 584761, 1082120, 1169522, 2339044, 2923805, 4678088, 5847610, 7601893, 11695220, 15203786, 23390440, 30407572, 38009465, 60815144, 76018930, 152037860, 304075720]

約数ペア:

[(1, 304075720), (2, 152037860), (4, 76018930), (5, 60815144), (8, 38009465), (10, 30407572), (13, 23390440), (20, 15203786), (26, 11695220), (40, 7601893), (52, 5847610), (65, 4678088), (104, 2923805), (130, 2339044), (260, 1169522), (281, 1082120), (520, 584761), (562, 541060), (1124, 270530), (1405, 216424), (2081, 146120), (2248, 135265), (2810, 108212), (3653, 83240), (4162, 73060), (5620, 54106), (7306, 41620), (8324, 36530), (10405, 29224), (11240, 27053), (14612, 20810), (16648, 18265)]