231552640

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1061}}^1$

素因数の和:1122

約数の個数: 128

約数和(自身を含む): 623946240

約数和(自身を除く): 392393600

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 80, 88, 110, 124, 128, 155, 160, 176, 220, 248, 310, 320, 341, 352, 440, 496, 620, 640, 682, 704, 880, 992, 1061, 1240, 1364, 1408, 1705, 1760, 1984, 2122, 2480, 2728, 3410, 3520, 3968, 4244, 4960, 5305, 5456, 6820, 7040, 8488, 9920, 10610, 10912, 11671, 13640, 16976, 19840, 21220, 21824, 23342, 27280, 32891, 33952, 42440, 43648, 46684, 54560, 58355, 65782, 67904, 84880, 93368, 109120, 116710, 131564, 135808, 164455, 169760, 186736, 218240, 233420, 263128, 328910, 339520, 361801, 373472, 466840, 526256, 657820, 679040, 723602, 746944, 933680, 1052512, 1315640, 1447204, 1493888, 1809005, 1867360, 2105024, 2631280, 2894408, 3618010, 3734720, 4210048, 5262560, 5788816, 7236020, 7469440, 10525120, 11577632, 14472040, 21050240, 23155264, 28944080, 46310528, 57888160, 115776320, 231552640]

約数ペア:

[(1, 231552640), (2, 115776320), (4, 57888160), (5, 46310528), (8, 28944080), (10, 23155264), (11, 21050240), (16, 14472040), (20, 11577632), (22, 10525120), (31, 7469440), (32, 7236020), (40, 5788816), (44, 5262560), (55, 4210048), (62, 3734720), (64, 3618010), (80, 2894408), (88, 2631280), (110, 2105024), (124, 1867360), (128, 1809005), (155, 1493888), (160, 1447204), (176, 1315640), (220, 1052512), (248, 933680), (310, 746944), (320, 723602), (341, 679040), (352, 657820), (440, 526256), (496, 466840), (620, 373472), (640, 361801), (682, 339520), (704, 328910), (880, 263128), (992, 233420), (1061, 218240), (1240, 186736), (1364, 169760), (1408, 164455), (1705, 135808), (1760, 131564), (1984, 116710), (2122, 109120), (2480, 93368), (2728, 84880), (3410, 67904), (3520, 65782), (3968, 58355), (4244, 54560), (4960, 46684), (5305, 43648), (5456, 42440), (6820, 33952), (7040, 32891), (8488, 27280), (9920, 23342), (10610, 21824), (10912, 21220), (11671, 19840), (13640, 16976)]