123913620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{151}}^1$

素因数の和:310

約数の個数: 144

約数和(自身を含む): 390394368

約数和(自身を除く): 266480748

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 47, 60, 90, 94, 97, 141, 151, 180, 188, 194, 235, 282, 291, 302, 388, 423, 453, 470, 485, 564, 582, 604, 705, 755, 846, 873, 906, 940, 970, 1164, 1359, 1410, 1455, 1510, 1692, 1746, 1812, 1940, 2115, 2265, 2718, 2820, 2910, 3020, 3492, 4230, 4365, 4530, 4559, 5436, 5820, 6795, 7097, 8460, 8730, 9060, 9118, 13590, 13677, 14194, 14647, 17460, 18236, 21291, 22795, 27180, 27354, 28388, 29294, 35485, 41031, 42582, 43941, 45590, 54708, 58588, 63873, 68385, 70970, 73235, 82062, 85164, 87882, 91180, 106455, 127746, 131823, 136770, 141940, 146470, 164124, 175764, 205155, 212910, 219705, 255492, 263646, 273540, 292940, 319365, 410310, 425820, 439410, 527292, 638730, 659115, 688409, 820620, 878820, 1277460, 1318230, 1376818, 2065227, 2636460, 2753636, 3442045, 4130454, 6195681, 6884090, 8260908, 10326135, 12391362, 13768180, 20652270, 24782724, 30978405, 41304540, 61956810, 123913620]

約数ペア:

[(1, 123913620), (2, 61956810), (3, 41304540), (4, 30978405), (5, 24782724), (6, 20652270), (9, 13768180), (10, 12391362), (12, 10326135), (15, 8260908), (18, 6884090), (20, 6195681), (30, 4130454), (36, 3442045), (45, 2753636), (47, 2636460), (60, 2065227), (90, 1376818), (94, 1318230), (97, 1277460), (141, 878820), (151, 820620), (180, 688409), (188, 659115), (194, 638730), (235, 527292), (282, 439410), (291, 425820), (302, 410310), (388, 319365), (423, 292940), (453, 273540), (470, 263646), (485, 255492), (564, 219705), (582, 212910), (604, 205155), (705, 175764), (755, 164124), (846, 146470), (873, 141940), (906, 136770), (940, 131823), (970, 127746), (1164, 106455), (1359, 91180), (1410, 87882), (1455, 85164), (1510, 82062), (1692, 73235), (1746, 70970), (1812, 68385), (1940, 63873), (2115, 58588), (2265, 54708), (2718, 45590), (2820, 43941), (2910, 42582), (3020, 41031), (3492, 35485), (4230, 29294), (4365, 28388), (4530, 27354), (4559, 27180), (5436, 22795), (5820, 21291), (6795, 18236), (7097, 17460), (8460, 14647), (8730, 14194), (9060, 13677), (9118, 13590)]