78915980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{673}}^1$

素因数の和:747

約数の個数: 96

約数和(自身を含む): 199741248

約数和(自身を除く): 120825268

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 41, 44, 52, 55, 65, 82, 110, 130, 143, 164, 205, 220, 260, 286, 410, 451, 533, 572, 673, 715, 820, 902, 1066, 1346, 1430, 1804, 2132, 2255, 2665, 2692, 2860, 3365, 4510, 5330, 5863, 6730, 7403, 8749, 9020, 10660, 11726, 13460, 14806, 17498, 23452, 27593, 29315, 29612, 34996, 37015, 43745, 55186, 58630, 74030, 87490, 96239, 110372, 117260, 137965, 148060, 174980, 192478, 275930, 303523, 358709, 384956, 481195, 551860, 607046, 717418, 962390, 1214092, 1434836, 1517615, 1793545, 1924780, 3035230, 3587090, 3945799, 6070460, 7174180, 7891598, 15783196, 19728995, 39457990, 78915980]

約数ペア:

[(1, 78915980), (2, 39457990), (4, 19728995), (5, 15783196), (10, 7891598), (11, 7174180), (13, 6070460), (20, 3945799), (22, 3587090), (26, 3035230), (41, 1924780), (44, 1793545), (52, 1517615), (55, 1434836), (65, 1214092), (82, 962390), (110, 717418), (130, 607046), (143, 551860), (164, 481195), (205, 384956), (220, 358709), (260, 303523), (286, 275930), (410, 192478), (451, 174980), (533, 148060), (572, 137965), (673, 117260), (715, 110372), (820, 96239), (902, 87490), (1066, 74030), (1346, 58630), (1430, 55186), (1804, 43745), (2132, 37015), (2255, 34996), (2665, 29612), (2692, 29315), (2860, 27593), (3365, 23452), (4510, 17498), (5330, 14806), (5863, 13460), (6730, 11726), (7403, 10660), (8749, 9020)]