287896140

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{76163}}^1$

素因数の和:76188

約数の個数: 96

約数和(自身を含む): 1023644160

約数和(自身を除く): 735748020

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 76163, 152326, 228489, 304652, 380815, 456978, 533141, 685467, 761630, 913956, 1066282, 1142445, 1370934, 1523260, 1599423, 2056401, 2132564, 2284890, 2665705, 2741868, 3198846, 3427335, 4112802, 4569780, 4798269, 5331410, 6397692, 6854670, 7997115, 8225604, 9596538, 10282005, 10662820, 13709340, 14394807, 15994230, 19193076, 20564010, 23991345, 28789614, 31988460, 41128020, 47982690, 57579228, 71974035, 95965380, 143948070, 287896140]

約数ペア:

[(1, 287896140), (2, 143948070), (3, 95965380), (4, 71974035), (5, 57579228), (6, 47982690), (7, 41128020), (9, 31988460), (10, 28789614), (12, 23991345), (14, 20564010), (15, 19193076), (18, 15994230), (20, 14394807), (21, 13709340), (27, 10662820), (28, 10282005), (30, 9596538), (35, 8225604), (36, 7997115), (42, 6854670), (45, 6397692), (54, 5331410), (60, 4798269), (63, 4569780), (70, 4112802), (84, 3427335), (90, 3198846), (105, 2741868), (108, 2665705), (126, 2284890), (135, 2132564), (140, 2056401), (180, 1599423), (189, 1523260), (210, 1370934), (252, 1142445), (270, 1066282), (315, 913956), (378, 761630), (420, 685467), (540, 533141), (630, 456978), (756, 380815), (945, 304652), (1260, 228489), (1890, 152326), (3780, 76163)]