80888220

素因数分解:

$2^2\times 3^4\times 5^1\times 7^2\times {\mathrm{1019}}^1$

素因数の和:1054

約数の個数: 180

約数和(自身を含む): 295467480

約数和(自身を除く): 214579260

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 81, 84, 90, 98, 105, 108, 126, 135, 140, 147, 162, 180, 189, 196, 210, 245, 252, 270, 294, 315, 324, 378, 405, 420, 441, 490, 540, 567, 588, 630, 735, 756, 810, 882, 945, 980, 1019, 1134, 1260, 1323, 1470, 1620, 1764, 1890, 2038, 2205, 2268, 2646, 2835, 2940, 3057, 3780, 3969, 4076, 4410, 5095, 5292, 5670, 6114, 6615, 7133, 7938, 8820, 9171, 10190, 11340, 12228, 13230, 14266, 15285, 15876, 18342, 19845, 20380, 21399, 26460, 27513, 28532, 30570, 35665, 36684, 39690, 42798, 45855, 49931, 55026, 61140, 64197, 71330, 79380, 82539, 85596, 91710, 99862, 106995, 110052, 128394, 137565, 142660, 149793, 165078, 183420, 192591, 199724, 213990, 249655, 256788, 275130, 299586, 320985, 330156, 385182, 412695, 427980, 449379, 499310, 550260, 577773, 599172, 641970, 748965, 770364, 825390, 898758, 962955, 998620, 1155546, 1283940, 1348137, 1497930, 1650780, 1797516, 1925910, 2246895, 2311092, 2696274, 2888865, 2995860, 3851820, 4044411, 4493790, 5392548, 5777730, 6740685, 8088822, 8987580, 11555460, 13481370, 16177644, 20222055, 26962740, 40444110, 80888220]

約数ペア:

[(1, 80888220), (2, 40444110), (3, 26962740), (4, 20222055), (5, 16177644), (6, 13481370), (7, 11555460), (9, 8987580), (10, 8088822), (12, 6740685), (14, 5777730), (15, 5392548), (18, 4493790), (20, 4044411), (21, 3851820), (27, 2995860), (28, 2888865), (30, 2696274), (35, 2311092), (36, 2246895), (42, 1925910), (45, 1797516), (49, 1650780), (54, 1497930), (60, 1348137), (63, 1283940), (70, 1155546), (81, 998620), (84, 962955), (90, 898758), (98, 825390), (105, 770364), (108, 748965), (126, 641970), (135, 599172), (140, 577773), (147, 550260), (162, 499310), (180, 449379), (189, 427980), (196, 412695), (210, 385182), (245, 330156), (252, 320985), (270, 299586), (294, 275130), (315, 256788), (324, 249655), (378, 213990), (405, 199724), (420, 192591), (441, 183420), (490, 165078), (540, 149793), (567, 142660), (588, 137565), (630, 128394), (735, 110052), (756, 106995), (810, 99862), (882, 91710), (945, 85596), (980, 82539), (1019, 79380), (1134, 71330), (1260, 64197), (1323, 61140), (1470, 55026), (1620, 49931), (1764, 45855), (1890, 42798), (2038, 39690), (2205, 36684), (2268, 35665), (2646, 30570), (2835, 28532), (2940, 27513), (3057, 26460), (3780, 21399), (3969, 20380), (4076, 19845), (4410, 18342), (5095, 15876), (5292, 15285), (5670, 14266), (6114, 13230), (6615, 12228), (7133, 11340), (7938, 10190), (8820, 9171)]