78931890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1489}}^1$

素因数の和:1552

約数の個数: 96

約数和(自身を含む): 223142400

約数和(自身を除く): 144210510

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 31, 38, 45, 57, 62, 90, 93, 95, 114, 155, 171, 186, 190, 279, 285, 310, 342, 465, 558, 570, 589, 855, 930, 1178, 1395, 1489, 1710, 1767, 2790, 2945, 2978, 3534, 4467, 5301, 5890, 7445, 8835, 8934, 10602, 13401, 14890, 17670, 22335, 26505, 26802, 28291, 44670, 46159, 53010, 56582, 67005, 84873, 92318, 134010, 138477, 141455, 169746, 230795, 254619, 276954, 282910, 415431, 424365, 461590, 509238, 692385, 830862, 848730, 877021, 1273095, 1384770, 1754042, 2077155, 2546190, 2631063, 4154310, 4385105, 5262126, 7893189, 8770210, 13155315, 15786378, 26310630, 39465945, 78931890]

約数ペア:

[(1, 78931890), (2, 39465945), (3, 26310630), (5, 15786378), (6, 13155315), (9, 8770210), (10, 7893189), (15, 5262126), (18, 4385105), (19, 4154310), (30, 2631063), (31, 2546190), (38, 2077155), (45, 1754042), (57, 1384770), (62, 1273095), (90, 877021), (93, 848730), (95, 830862), (114, 692385), (155, 509238), (171, 461590), (186, 424365), (190, 415431), (279, 282910), (285, 276954), (310, 254619), (342, 230795), (465, 169746), (558, 141455), (570, 138477), (589, 134010), (855, 92318), (930, 84873), (1178, 67005), (1395, 56582), (1489, 53010), (1710, 46159), (1767, 44670), (2790, 28291), (2945, 26802), (2978, 26505), (3534, 22335), (4467, 17670), (5301, 14890), (5890, 13401), (7445, 10602), (8835, 8934)]