68974380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{263}}^1$

素因数の和:356

約数の個数: 144

約数和(自身を含む): 221405184

約数和(自身を除く): 152430804

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 47, 60, 62, 90, 93, 94, 124, 141, 155, 180, 186, 188, 235, 263, 279, 282, 310, 372, 423, 465, 470, 526, 558, 564, 620, 705, 789, 846, 930, 940, 1052, 1116, 1315, 1395, 1410, 1457, 1578, 1692, 1860, 2115, 2367, 2630, 2790, 2820, 2914, 3156, 3945, 4230, 4371, 4734, 5260, 5580, 5828, 7285, 7890, 8153, 8460, 8742, 9468, 11835, 12361, 13113, 14570, 15780, 16306, 17484, 21855, 23670, 24459, 24722, 26226, 29140, 32612, 37083, 40765, 43710, 47340, 48918, 49444, 52452, 61805, 65565, 73377, 74166, 81530, 87420, 97836, 111249, 122295, 123610, 131130, 146754, 148332, 163060, 185415, 222498, 244590, 247220, 262260, 293508, 366885, 370830, 383191, 444996, 489180, 556245, 733770, 741660, 766382, 1112490, 1149573, 1467540, 1532764, 1915955, 2224980, 2299146, 3448719, 3831910, 4598292, 5747865, 6897438, 7663820, 11495730, 13794876, 17243595, 22991460, 34487190, 68974380]

約数ペア:

[(1, 68974380), (2, 34487190), (3, 22991460), (4, 17243595), (5, 13794876), (6, 11495730), (9, 7663820), (10, 6897438), (12, 5747865), (15, 4598292), (18, 3831910), (20, 3448719), (30, 2299146), (31, 2224980), (36, 1915955), (45, 1532764), (47, 1467540), (60, 1149573), (62, 1112490), (90, 766382), (93, 741660), (94, 733770), (124, 556245), (141, 489180), (155, 444996), (180, 383191), (186, 370830), (188, 366885), (235, 293508), (263, 262260), (279, 247220), (282, 244590), (310, 222498), (372, 185415), (423, 163060), (465, 148332), (470, 146754), (526, 131130), (558, 123610), (564, 122295), (620, 111249), (705, 97836), (789, 87420), (846, 81530), (930, 74166), (940, 73377), (1052, 65565), (1116, 61805), (1315, 52452), (1395, 49444), (1410, 48918), (1457, 47340), (1578, 43710), (1692, 40765), (1860, 37083), (2115, 32612), (2367, 29140), (2630, 26226), (2790, 24722), (2820, 24459), (2914, 23670), (3156, 21855), (3945, 17484), (4230, 16306), (4371, 15780), (4734, 14570), (5260, 13113), (5580, 12361), (5828, 11835), (7285, 9468), (7890, 8742), (8153, 8460)]