305605560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{863}}^1$

素因数の和:1117

約数の個数: 128

約数和(自身を含む): 992839680

約数和(自身を除く): 687234120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 227, 260, 312, 390, 454, 520, 681, 780, 863, 908, 1135, 1362, 1560, 1726, 1816, 2270, 2589, 2724, 2951, 3405, 3452, 4315, 4540, 5178, 5448, 5902, 6810, 6904, 8630, 8853, 9080, 10356, 11219, 11804, 12945, 13620, 14755, 17260, 17706, 20712, 22438, 23608, 25890, 27240, 29510, 33657, 34520, 35412, 44265, 44876, 51780, 56095, 59020, 67314, 70824, 88530, 89752, 103560, 112190, 118040, 134628, 168285, 177060, 195901, 224380, 269256, 336570, 354120, 391802, 448760, 587703, 673140, 783604, 979505, 1175406, 1346280, 1567208, 1959010, 2350812, 2546713, 2938515, 3918020, 4701624, 5093426, 5877030, 7640139, 7836040, 10186852, 11754060, 12733565, 15280278, 20373704, 23508120, 25467130, 30560556, 38200695, 50934260, 61121112, 76401390, 101868520, 152802780, 305605560]

約数ペア:

[(1, 305605560), (2, 152802780), (3, 101868520), (4, 76401390), (5, 61121112), (6, 50934260), (8, 38200695), (10, 30560556), (12, 25467130), (13, 23508120), (15, 20373704), (20, 15280278), (24, 12733565), (26, 11754060), (30, 10186852), (39, 7836040), (40, 7640139), (52, 5877030), (60, 5093426), (65, 4701624), (78, 3918020), (104, 2938515), (120, 2546713), (130, 2350812), (156, 1959010), (195, 1567208), (227, 1346280), (260, 1175406), (312, 979505), (390, 783604), (454, 673140), (520, 587703), (681, 448760), (780, 391802), (863, 354120), (908, 336570), (1135, 269256), (1362, 224380), (1560, 195901), (1726, 177060), (1816, 168285), (2270, 134628), (2589, 118040), (2724, 112190), (2951, 103560), (3405, 89752), (3452, 88530), (4315, 70824), (4540, 67314), (5178, 59020), (5448, 56095), (5902, 51780), (6810, 44876), (6904, 44265), (8630, 35412), (8853, 34520), (9080, 33657), (10356, 29510), (11219, 27240), (11804, 25890), (12945, 23608), (13620, 22438), (14755, 20712), (17260, 17706)]