1289387440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{1091}}^1$

素因数の和:1211

約数の個数: 160

約数和(自身を含む): 3509775360

約数和(自身を除く): 2220387920

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 34, 40, 44, 55, 68, 79, 80, 85, 88, 110, 136, 158, 170, 176, 187, 220, 272, 316, 340, 374, 395, 440, 632, 680, 748, 790, 869, 880, 935, 1091, 1264, 1343, 1360, 1496, 1580, 1738, 1870, 2182, 2686, 2992, 3160, 3476, 3740, 4345, 4364, 5372, 5455, 6320, 6715, 6952, 7480, 8690, 8728, 10744, 10910, 12001, 13430, 13904, 14773, 14960, 17380, 17456, 18547, 21488, 21820, 24002, 26860, 29546, 34760, 37094, 43640, 48004, 53720, 59092, 60005, 69520, 73865, 74188, 86189, 87280, 92735, 96008, 107440, 118184, 120010, 147730, 148376, 172378, 185470, 192016, 204017, 236368, 240020, 295460, 296752, 344756, 370940, 408034, 430945, 480040, 590920, 689512, 741880, 816068, 861890, 948079, 960080, 1020085, 1181840, 1379024, 1465213, 1483760, 1632136, 1723780, 1896158, 2040170, 2930426, 3264272, 3447560, 3792316, 4080340, 4740395, 5860852, 6895120, 7326065, 7584632, 8160680, 9480790, 11721704, 14652130, 15169264, 16117343, 16321360, 18961580, 23443408, 29304260, 32234686, 37923160, 58608520, 64469372, 75846320, 80586715, 117217040, 128938744, 161173430, 257877488, 322346860, 644693720, 1289387440]

約数ペア:

[(1, 1289387440), (2, 644693720), (4, 322346860), (5, 257877488), (8, 161173430), (10, 128938744), (11, 117217040), (16, 80586715), (17, 75846320), (20, 64469372), (22, 58608520), (34, 37923160), (40, 32234686), (44, 29304260), (55, 23443408), (68, 18961580), (79, 16321360), (80, 16117343), (85, 15169264), (88, 14652130), (110, 11721704), (136, 9480790), (158, 8160680), (170, 7584632), (176, 7326065), (187, 6895120), (220, 5860852), (272, 4740395), (316, 4080340), (340, 3792316), (374, 3447560), (395, 3264272), (440, 2930426), (632, 2040170), (680, 1896158), (748, 1723780), (790, 1632136), (869, 1483760), (880, 1465213), (935, 1379024), (1091, 1181840), (1264, 1020085), (1343, 960080), (1360, 948079), (1496, 861890), (1580, 816068), (1738, 741880), (1870, 689512), (2182, 590920), (2686, 480040), (2992, 430945), (3160, 408034), (3476, 370940), (3740, 344756), (4345, 296752), (4364, 295460), (5372, 240020), (5455, 236368), (6320, 204017), (6715, 192016), (6952, 185470), (7480, 172378), (8690, 148376), (8728, 147730), (10744, 120010), (10910, 118184), (12001, 107440), (13430, 96008), (13904, 92735), (14773, 87280), (14960, 86189), (17380, 74188), (17456, 73865), (18547, 69520), (21488, 60005), (21820, 59092), (24002, 53720), (26860, 48004), (29546, 43640), (34760, 37094)]