128768325

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{947}}^1$

素因数の和:1011

約数の個数: 72

約数和(自身を含む): 254617632

約数和(自身を除く): 125849307

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 37, 49, 75, 105, 111, 147, 175, 185, 245, 259, 525, 555, 735, 777, 925, 947, 1225, 1295, 1813, 2775, 2841, 3675, 3885, 4735, 5439, 6475, 6629, 9065, 14205, 19425, 19887, 23675, 27195, 33145, 35039, 45325, 46403, 71025, 99435, 105117, 135975, 139209, 165725, 175195, 232015, 245273, 497175, 525585, 696045, 735819, 875975, 1160075, 1226365, 1716911, 2627925, 3480225, 3679095, 5150733, 6131825, 8584555, 18395475, 25753665, 42922775, 128768325]

約数ペア:

[(1, 128768325), (3, 42922775), (5, 25753665), (7, 18395475), (15, 8584555), (21, 6131825), (25, 5150733), (35, 3679095), (37, 3480225), (49, 2627925), (75, 1716911), (105, 1226365), (111, 1160075), (147, 875975), (175, 735819), (185, 696045), (245, 525585), (259, 497175), (525, 245273), (555, 232015), (735, 175195), (777, 165725), (925, 139209), (947, 135975), (1225, 105117), (1295, 99435), (1813, 71025), (2775, 46403), (2841, 45325), (3675, 35039), (3885, 33145), (4735, 27195), (5439, 23675), (6475, 19887), (6629, 19425), (9065, 14205)]