79271220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{457}}^1$

素因数の和:542

約数の個数: 144

約数和(自身を含む): 263148480

約数和(自身を除く): 183877260

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 59, 60, 70, 84, 98, 105, 118, 140, 147, 177, 196, 210, 236, 245, 294, 295, 354, 413, 420, 457, 490, 588, 590, 708, 735, 826, 885, 914, 980, 1180, 1239, 1371, 1470, 1652, 1770, 1828, 2065, 2285, 2478, 2742, 2891, 2940, 3199, 3540, 4130, 4570, 4956, 5484, 5782, 6195, 6398, 6855, 8260, 8673, 9140, 9597, 11564, 12390, 12796, 13710, 14455, 15995, 17346, 19194, 22393, 24780, 26963, 27420, 28910, 31990, 34692, 38388, 43365, 44786, 47985, 53926, 57820, 63980, 67179, 80889, 86730, 89572, 95970, 107852, 111965, 134358, 134815, 161778, 173460, 188741, 191940, 223930, 268716, 269630, 323556, 335895, 377482, 404445, 447860, 539260, 566223, 671790, 754964, 808890, 943705, 1132446, 1321187, 1343580, 1617780, 1887410, 2264892, 2642374, 2831115, 3774820, 3963561, 5284748, 5662230, 6605935, 7927122, 11324460, 13211870, 15854244, 19817805, 26423740, 39635610, 79271220]

約数ペア:

[(1, 79271220), (2, 39635610), (3, 26423740), (4, 19817805), (5, 15854244), (6, 13211870), (7, 11324460), (10, 7927122), (12, 6605935), (14, 5662230), (15, 5284748), (20, 3963561), (21, 3774820), (28, 2831115), (30, 2642374), (35, 2264892), (42, 1887410), (49, 1617780), (59, 1343580), (60, 1321187), (70, 1132446), (84, 943705), (98, 808890), (105, 754964), (118, 671790), (140, 566223), (147, 539260), (177, 447860), (196, 404445), (210, 377482), (236, 335895), (245, 323556), (294, 269630), (295, 268716), (354, 223930), (413, 191940), (420, 188741), (457, 173460), (490, 161778), (588, 134815), (590, 134358), (708, 111965), (735, 107852), (826, 95970), (885, 89572), (914, 86730), (980, 80889), (1180, 67179), (1239, 63980), (1371, 57820), (1470, 53926), (1652, 47985), (1770, 44786), (1828, 43365), (2065, 38388), (2285, 34692), (2478, 31990), (2742, 28910), (2891, 27420), (2940, 26963), (3199, 24780), (3540, 22393), (4130, 19194), (4570, 17346), (4956, 15995), (5484, 14455), (5782, 13710), (6195, 12796), (6398, 12390), (6855, 11564), (8260, 9597), (8673, 9140)]