64788900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{677}}^1$

素因数の和:734

約数の個数: 144

約数和(自身を含む): 211861440

約数和(自身を除く): 147072540

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 25, 29, 30, 33, 44, 50, 55, 58, 60, 66, 75, 87, 100, 110, 116, 132, 145, 150, 165, 174, 220, 275, 290, 300, 319, 330, 348, 435, 550, 580, 638, 660, 677, 725, 825, 870, 957, 1100, 1276, 1354, 1450, 1595, 1650, 1740, 1914, 2031, 2175, 2708, 2900, 3190, 3300, 3385, 3828, 4062, 4350, 4785, 6380, 6770, 7447, 7975, 8124, 8700, 9570, 10155, 13540, 14894, 15950, 16925, 19140, 19633, 20310, 22341, 23925, 29788, 31900, 33850, 37235, 39266, 40620, 44682, 47850, 50775, 58899, 67700, 74470, 78532, 89364, 95700, 98165, 101550, 111705, 117798, 148940, 186175, 196330, 203100, 215963, 223410, 235596, 294495, 372350, 392660, 431926, 446820, 490825, 558525, 588990, 647889, 744700, 863852, 981650, 1079815, 1117050, 1177980, 1295778, 1472475, 1963300, 2159630, 2234100, 2591556, 2944950, 3239445, 4319260, 5399075, 5889900, 6478890, 10798150, 12957780, 16197225, 21596300, 32394450, 64788900]

約数ペア:

[(1, 64788900), (2, 32394450), (3, 21596300), (4, 16197225), (5, 12957780), (6, 10798150), (10, 6478890), (11, 5889900), (12, 5399075), (15, 4319260), (20, 3239445), (22, 2944950), (25, 2591556), (29, 2234100), (30, 2159630), (33, 1963300), (44, 1472475), (50, 1295778), (55, 1177980), (58, 1117050), (60, 1079815), (66, 981650), (75, 863852), (87, 744700), (100, 647889), (110, 588990), (116, 558525), (132, 490825), (145, 446820), (150, 431926), (165, 392660), (174, 372350), (220, 294495), (275, 235596), (290, 223410), (300, 215963), (319, 203100), (330, 196330), (348, 186175), (435, 148940), (550, 117798), (580, 111705), (638, 101550), (660, 98165), (677, 95700), (725, 89364), (825, 78532), (870, 74470), (957, 67700), (1100, 58899), (1276, 50775), (1354, 47850), (1450, 44682), (1595, 40620), (1650, 39266), (1740, 37235), (1914, 33850), (2031, 31900), (2175, 29788), (2708, 23925), (2900, 22341), (3190, 20310), (3300, 19633), (3385, 19140), (3828, 16925), (4062, 15950), (4350, 14894), (4785, 13540), (6380, 10155), (6770, 9570), (7447, 8700), (7975, 8124)]