163251720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2129}}^1$

素因数の和:2220

約数の個数: 128

約数和(自身を含む): 552096000

約数和(自身を除く): 388844280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 71, 72, 90, 108, 120, 135, 142, 180, 213, 216, 270, 284, 355, 360, 426, 540, 568, 639, 710, 852, 1065, 1080, 1278, 1420, 1704, 1917, 2129, 2130, 2556, 2840, 3195, 3834, 4258, 4260, 5112, 6387, 6390, 7668, 8516, 8520, 9585, 10645, 12774, 12780, 15336, 17032, 19161, 19170, 21290, 25548, 25560, 31935, 38322, 38340, 42580, 51096, 57483, 63870, 76644, 76680, 85160, 95805, 114966, 127740, 151159, 153288, 191610, 229932, 255480, 287415, 302318, 383220, 453477, 459864, 574830, 604636, 755795, 766440, 906954, 1149660, 1209272, 1360431, 1511590, 1813908, 2267385, 2299320, 2720862, 3023180, 3627816, 4081293, 4534770, 5441724, 6046360, 6802155, 8162586, 9069540, 10883448, 13604310, 16325172, 18139080, 20406465, 27208620, 32650344, 40812930, 54417240, 81625860, 163251720]

約数ペア:

[(1, 163251720), (2, 81625860), (3, 54417240), (4, 40812930), (5, 32650344), (6, 27208620), (8, 20406465), (9, 18139080), (10, 16325172), (12, 13604310), (15, 10883448), (18, 9069540), (20, 8162586), (24, 6802155), (27, 6046360), (30, 5441724), (36, 4534770), (40, 4081293), (45, 3627816), (54, 3023180), (60, 2720862), (71, 2299320), (72, 2267385), (90, 1813908), (108, 1511590), (120, 1360431), (135, 1209272), (142, 1149660), (180, 906954), (213, 766440), (216, 755795), (270, 604636), (284, 574830), (355, 459864), (360, 453477), (426, 383220), (540, 302318), (568, 287415), (639, 255480), (710, 229932), (852, 191610), (1065, 153288), (1080, 151159), (1278, 127740), (1420, 114966), (1704, 95805), (1917, 85160), (2129, 76680), (2130, 76644), (2556, 63870), (2840, 57483), (3195, 51096), (3834, 42580), (4258, 38340), (4260, 38322), (5112, 31935), (6387, 25560), (6390, 25548), (7668, 21290), (8516, 19170), (8520, 19161), (9585, 17032), (10645, 15336), (12774, 12780)]