68919480

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{3907}}^1$

素因数の和:3938

約数の個数: 144

約数和(自身を含む): 260624520

約数和(自身を除く): 191705040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 140, 147, 168, 180, 196, 210, 245, 252, 280, 294, 315, 360, 392, 420, 441, 490, 504, 588, 630, 735, 840, 882, 980, 1176, 1260, 1470, 1764, 1960, 2205, 2520, 2940, 3528, 3907, 4410, 5880, 7814, 8820, 11721, 15628, 17640, 19535, 23442, 27349, 31256, 35163, 39070, 46884, 54698, 58605, 70326, 78140, 82047, 93768, 109396, 117210, 136745, 140652, 156280, 164094, 175815, 191443, 218792, 234420, 246141, 273490, 281304, 328188, 351630, 382886, 410235, 468840, 492282, 546980, 574329, 656376, 703260, 765772, 820470, 957215, 984564, 1093960, 1148658, 1230705, 1406520, 1531544, 1640940, 1722987, 1914430, 1969128, 2297316, 2461410, 2871645, 3281880, 3445974, 3828860, 4594632, 4922820, 5743290, 6891948, 7657720, 8614935, 9845640, 11486580, 13783896, 17229870, 22973160, 34459740, 68919480]

約数ペア:

[(1, 68919480), (2, 34459740), (3, 22973160), (4, 17229870), (5, 13783896), (6, 11486580), (7, 9845640), (8, 8614935), (9, 7657720), (10, 6891948), (12, 5743290), (14, 4922820), (15, 4594632), (18, 3828860), (20, 3445974), (21, 3281880), (24, 2871645), (28, 2461410), (30, 2297316), (35, 1969128), (36, 1914430), (40, 1722987), (42, 1640940), (45, 1531544), (49, 1406520), (56, 1230705), (60, 1148658), (63, 1093960), (70, 984564), (72, 957215), (84, 820470), (90, 765772), (98, 703260), (105, 656376), (120, 574329), (126, 546980), (140, 492282), (147, 468840), (168, 410235), (180, 382886), (196, 351630), (210, 328188), (245, 281304), (252, 273490), (280, 246141), (294, 234420), (315, 218792), (360, 191443), (392, 175815), (420, 164094), (441, 156280), (490, 140652), (504, 136745), (588, 117210), (630, 109396), (735, 93768), (840, 82047), (882, 78140), (980, 70326), (1176, 58605), (1260, 54698), (1470, 46884), (1764, 39070), (1960, 35163), (2205, 31256), (2520, 27349), (2940, 23442), (3528, 19535), (3907, 17640), (4410, 15628), (5880, 11721), (7814, 8820)]