77123280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1301}}^1$

素因数の和:1349

約数の個数: 160

約数和(自身を含む): 271232640

約数和(自身を除く): 194109360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 19, 20, 24, 26, 30, 38, 39, 40, 48, 52, 57, 60, 65, 76, 78, 80, 95, 104, 114, 120, 130, 152, 156, 190, 195, 208, 228, 240, 247, 260, 285, 304, 312, 380, 390, 456, 494, 520, 570, 624, 741, 760, 780, 912, 988, 1040, 1140, 1235, 1301, 1482, 1520, 1560, 1976, 2280, 2470, 2602, 2964, 3120, 3705, 3903, 3952, 4560, 4940, 5204, 5928, 6505, 7410, 7806, 9880, 10408, 11856, 13010, 14820, 15612, 16913, 19515, 19760, 20816, 24719, 26020, 29640, 31224, 33826, 39030, 49438, 50739, 52040, 59280, 62448, 67652, 74157, 78060, 84565, 98876, 101478, 104080, 123595, 135304, 148314, 156120, 169130, 197752, 202956, 247190, 253695, 270608, 296628, 312240, 321347, 338260, 370785, 395504, 405912, 494380, 507390, 593256, 642694, 676520, 741570, 811824, 964041, 988760, 1014780, 1186512, 1285388, 1353040, 1483140, 1606735, 1928082, 1977520, 2029560, 2570776, 2966280, 3213470, 3856164, 4059120, 4820205, 5141552, 5932560, 6426940, 7712328, 9640410, 12853880, 15424656, 19280820, 25707760, 38561640, 77123280]

約数ペア:

[(1, 77123280), (2, 38561640), (3, 25707760), (4, 19280820), (5, 15424656), (6, 12853880), (8, 9640410), (10, 7712328), (12, 6426940), (13, 5932560), (15, 5141552), (16, 4820205), (19, 4059120), (20, 3856164), (24, 3213470), (26, 2966280), (30, 2570776), (38, 2029560), (39, 1977520), (40, 1928082), (48, 1606735), (52, 1483140), (57, 1353040), (60, 1285388), (65, 1186512), (76, 1014780), (78, 988760), (80, 964041), (95, 811824), (104, 741570), (114, 676520), (120, 642694), (130, 593256), (152, 507390), (156, 494380), (190, 405912), (195, 395504), (208, 370785), (228, 338260), (240, 321347), (247, 312240), (260, 296628), (285, 270608), (304, 253695), (312, 247190), (380, 202956), (390, 197752), (456, 169130), (494, 156120), (520, 148314), (570, 135304), (624, 123595), (741, 104080), (760, 101478), (780, 98876), (912, 84565), (988, 78060), (1040, 74157), (1140, 67652), (1235, 62448), (1301, 59280), (1482, 52040), (1520, 50739), (1560, 49438), (1976, 39030), (2280, 33826), (2470, 31224), (2602, 29640), (2964, 26020), (3120, 24719), (3705, 20816), (3903, 19760), (3952, 19515), (4560, 16913), (4940, 15612), (5204, 14820), (5928, 13010), (6505, 11856), (7410, 10408), (7806, 9880)]