281288070

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{457}}^1\times {\mathrm{977}}^1$

素因数の和:1454

約数の個数: 96

約数和(自身を含む): 838513728

約数和(自身を除く): 557225658

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 457, 630, 914, 977, 1371, 1954, 2285, 2742, 2931, 3199, 4113, 4570, 4885, 5862, 6398, 6839, 6855, 8226, 8793, 9597, 9770, 13678, 13710, 14655, 15995, 17586, 19194, 20517, 20565, 28791, 29310, 31990, 34195, 41034, 41130, 43965, 47985, 57582, 61551, 68390, 87930, 95970, 102585, 123102, 143955, 205170, 287910, 307755, 446489, 615510, 892978, 1339467, 2232445, 2678934, 3125423, 4018401, 4464890, 6250846, 6697335, 8036802, 9376269, 13394670, 15627115, 18752538, 20092005, 28128807, 31254230, 40184010, 46881345, 56257614, 93762690, 140644035, 281288070]

約数ペア:

[(1, 281288070), (2, 140644035), (3, 93762690), (5, 56257614), (6, 46881345), (7, 40184010), (9, 31254230), (10, 28128807), (14, 20092005), (15, 18752538), (18, 15627115), (21, 13394670), (30, 9376269), (35, 8036802), (42, 6697335), (45, 6250846), (63, 4464890), (70, 4018401), (90, 3125423), (105, 2678934), (126, 2232445), (210, 1339467), (315, 892978), (457, 615510), (630, 446489), (914, 307755), (977, 287910), (1371, 205170), (1954, 143955), (2285, 123102), (2742, 102585), (2931, 95970), (3199, 87930), (4113, 68390), (4570, 61551), (4885, 57582), (5862, 47985), (6398, 43965), (6839, 41130), (6855, 41034), (8226, 34195), (8793, 31990), (9597, 29310), (9770, 28791), (13678, 20565), (13710, 20517), (14655, 19194), (15995, 17586)]