321247960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{11969}}^1$

素因数の和:12052

約数の個数: 64

約数和(自身を含む): 801511200

約数和(自身を除く): 480263240

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 61, 88, 110, 122, 220, 244, 305, 440, 488, 610, 671, 1220, 1342, 2440, 2684, 3355, 5368, 6710, 11969, 13420, 23938, 26840, 47876, 59845, 95752, 119690, 131659, 239380, 263318, 478760, 526636, 658295, 730109, 1053272, 1316590, 1460218, 2633180, 2920436, 3650545, 5266360, 5840872, 7301090, 8031199, 14602180, 16062398, 29204360, 32124796, 40155995, 64249592, 80311990, 160623980, 321247960]

約数ペア:

[(1, 321247960), (2, 160623980), (4, 80311990), (5, 64249592), (8, 40155995), (10, 32124796), (11, 29204360), (20, 16062398), (22, 14602180), (40, 8031199), (44, 7301090), (55, 5840872), (61, 5266360), (88, 3650545), (110, 2920436), (122, 2633180), (220, 1460218), (244, 1316590), (305, 1053272), (440, 730109), (488, 658295), (610, 526636), (671, 478760), (1220, 263318), (1342, 239380), (2440, 131659), (2684, 119690), (3355, 95752), (5368, 59845), (6710, 47876), (11969, 26840), (13420, 23938)]