64265460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{21859}}^1$

素因数の和:21885

約数の個数: 72

約数和(自身を含む): 209331360

約数和(自身を除く): 145065900

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 21859, 43718, 65577, 87436, 109295, 131154, 153013, 218590, 262308, 306026, 327885, 437180, 459039, 612052, 655770, 765065, 918078, 1071091, 1311540, 1530130, 1836156, 2142182, 2295195, 3060260, 3213273, 4284364, 4590390, 5355455, 6426546, 9180780, 10710910, 12853092, 16066365, 21421820, 32132730, 64265460]

約数ペア:

[(1, 64265460), (2, 32132730), (3, 21421820), (4, 16066365), (5, 12853092), (6, 10710910), (7, 9180780), (10, 6426546), (12, 5355455), (14, 4590390), (15, 4284364), (20, 3213273), (21, 3060260), (28, 2295195), (30, 2142182), (35, 1836156), (42, 1530130), (49, 1311540), (60, 1071091), (70, 918078), (84, 765065), (98, 655770), (105, 612052), (140, 459039), (147, 437180), (196, 327885), (210, 306026), (245, 262308), (294, 218590), (420, 153013), (490, 131154), (588, 109295), (735, 87436), (980, 65577), (1470, 43718), (2940, 21859)]