15220476

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1$

素因数の和:339

約数の個数: 72

約数和(自身を含む): 40622400

約数和(自身を除く): 25401924

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 61, 87, 116, 122, 174, 183, 239, 244, 261, 348, 366, 478, 522, 549, 717, 732, 956, 1044, 1098, 1434, 1769, 2151, 2196, 2868, 3538, 4302, 5307, 6931, 7076, 8604, 10614, 13862, 14579, 15921, 20793, 21228, 27724, 29158, 31842, 41586, 43737, 58316, 62379, 63684, 83172, 87474, 124758, 131211, 174948, 249516, 262422, 422791, 524844, 845582, 1268373, 1691164, 2536746, 3805119, 5073492, 7610238, 15220476]

約数ペア:

[(1, 15220476), (2, 7610238), (3, 5073492), (4, 3805119), (6, 2536746), (9, 1691164), (12, 1268373), (18, 845582), (29, 524844), (36, 422791), (58, 262422), (61, 249516), (87, 174948), (116, 131211), (122, 124758), (174, 87474), (183, 83172), (239, 63684), (244, 62379), (261, 58316), (348, 43737), (366, 41586), (478, 31842), (522, 29158), (549, 27724), (717, 21228), (732, 20793), (956, 15921), (1044, 14579), (1098, 13862), (1434, 10614), (1769, 8604), (2151, 7076), (2196, 6931), (2868, 5307), (3538, 4302)]