81094780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{191}}^1$

素因数の和:307

約数の個数: 96

約数和(自身を含む): 195084288

約数和(自身を除く): 113989508

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 71, 92, 115, 130, 142, 191, 230, 260, 284, 299, 355, 382, 460, 598, 710, 764, 923, 955, 1196, 1420, 1495, 1633, 1846, 1910, 2483, 2990, 3266, 3692, 3820, 4393, 4615, 4966, 5980, 6532, 8165, 8786, 9230, 9932, 12415, 13561, 16330, 17572, 18460, 21229, 21965, 24830, 27122, 32660, 42458, 43930, 49660, 54244, 57109, 67805, 84916, 87860, 106145, 114218, 135610, 176293, 212290, 228436, 271220, 285545, 311903, 352586, 424580, 571090, 623806, 705172, 881465, 1142180, 1247612, 1559515, 1762930, 3119030, 3525860, 4054739, 6238060, 8109478, 16218956, 20273695, 40547390, 81094780]

約数ペア:

[(1, 81094780), (2, 40547390), (4, 20273695), (5, 16218956), (10, 8109478), (13, 6238060), (20, 4054739), (23, 3525860), (26, 3119030), (46, 1762930), (52, 1559515), (65, 1247612), (71, 1142180), (92, 881465), (115, 705172), (130, 623806), (142, 571090), (191, 424580), (230, 352586), (260, 311903), (284, 285545), (299, 271220), (355, 228436), (382, 212290), (460, 176293), (598, 135610), (710, 114218), (764, 106145), (923, 87860), (955, 84916), (1196, 67805), (1420, 57109), (1495, 54244), (1633, 49660), (1846, 43930), (1910, 42458), (2483, 32660), (2990, 27122), (3266, 24830), (3692, 21965), (3820, 21229), (4393, 18460), (4615, 17572), (4966, 16330), (5980, 13561), (6532, 12415), (8165, 9932), (8786, 9230)]