87172380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{359}}^1$

素因数の和:464

約数の個数: 144

約数和(自身を含む): 283046400

約数和(自身を除く): 195874020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 71, 76, 90, 95, 114, 142, 171, 180, 190, 213, 228, 284, 285, 342, 355, 359, 380, 426, 570, 639, 684, 710, 718, 852, 855, 1065, 1077, 1140, 1278, 1349, 1420, 1436, 1710, 1795, 2130, 2154, 2556, 2698, 3195, 3231, 3420, 3590, 4047, 4260, 4308, 5385, 5396, 6390, 6462, 6745, 6821, 7180, 8094, 10770, 12141, 12780, 12924, 13490, 13642, 16155, 16188, 20235, 20463, 21540, 24282, 25489, 26980, 27284, 32310, 34105, 40470, 40926, 48564, 50978, 60705, 61389, 64620, 68210, 76467, 80940, 81852, 101956, 102315, 121410, 122778, 127445, 136420, 152934, 204630, 229401, 242820, 245556, 254890, 305868, 306945, 382335, 409260, 458802, 484291, 509780, 613890, 764670, 917604, 968582, 1147005, 1227780, 1452873, 1529340, 1937164, 2294010, 2421455, 2905746, 4358619, 4588020, 4842910, 5811492, 7264365, 8717238, 9685820, 14528730, 17434476, 21793095, 29057460, 43586190, 87172380]

約数ペア:

[(1, 87172380), (2, 43586190), (3, 29057460), (4, 21793095), (5, 17434476), (6, 14528730), (9, 9685820), (10, 8717238), (12, 7264365), (15, 5811492), (18, 4842910), (19, 4588020), (20, 4358619), (30, 2905746), (36, 2421455), (38, 2294010), (45, 1937164), (57, 1529340), (60, 1452873), (71, 1227780), (76, 1147005), (90, 968582), (95, 917604), (114, 764670), (142, 613890), (171, 509780), (180, 484291), (190, 458802), (213, 409260), (228, 382335), (284, 306945), (285, 305868), (342, 254890), (355, 245556), (359, 242820), (380, 229401), (426, 204630), (570, 152934), (639, 136420), (684, 127445), (710, 122778), (718, 121410), (852, 102315), (855, 101956), (1065, 81852), (1077, 80940), (1140, 76467), (1278, 68210), (1349, 64620), (1420, 61389), (1436, 60705), (1710, 50978), (1795, 48564), (2130, 40926), (2154, 40470), (2556, 34105), (2698, 32310), (3195, 27284), (3231, 26980), (3420, 25489), (3590, 24282), (4047, 21540), (4260, 20463), (4308, 20235), (5385, 16188), (5396, 16155), (6390, 13642), (6462, 13490), (6745, 12924), (6821, 12780), (7180, 12141), (8094, 10770)]