309011220

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{81749}}^1$

素因数の和:81774

約数の個数: 96

約数和(自身を含む): 1098720000

約数和(自身を除く): 789708780

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, 81749, 163498, 245247, 326996, 408745, 490494, 572243, 735741, 817490, 980988, 1144486, 1226235, 1471482, 1634980, 1716729, 2207223, 2288972, 2452470, 2861215, 2942964, 3433458, 3678705, 4414446, 4904940, 5150187, 5722430, 6866916, 7357410, 8583645, 8828892, 10300374, 11036115, 11444860, 14714820, 15450561, 17167290, 20600748, 22072230, 25750935, 30901122, 34334580, 44144460, 51501870, 61802244, 77252805, 103003740, 154505610, 309011220]

約数ペア:

[(1, 309011220), (2, 154505610), (3, 103003740), (4, 77252805), (5, 61802244), (6, 51501870), (7, 44144460), (9, 34334580), (10, 30901122), (12, 25750935), (14, 22072230), (15, 20600748), (18, 17167290), (20, 15450561), (21, 14714820), (27, 11444860), (28, 11036115), (30, 10300374), (35, 8828892), (36, 8583645), (42, 7357410), (45, 6866916), (54, 5722430), (60, 5150187), (63, 4904940), (70, 4414446), (84, 3678705), (90, 3433458), (105, 2942964), (108, 2861215), (126, 2452470), (135, 2288972), (140, 2207223), (180, 1716729), (189, 1634980), (210, 1471482), (252, 1226235), (270, 1144486), (315, 980988), (378, 817490), (420, 735741), (540, 572243), (630, 490494), (756, 408745), (945, 326996), (1260, 245247), (1890, 163498), (3780, 81749)]