198785880

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1787}}^1$

素因数の和:1910

約数の個数: 128

約数和(自身を含む): 669427200

約数和(自身を除く): 470641320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 103, 108, 120, 135, 180, 206, 216, 270, 309, 360, 412, 515, 540, 618, 824, 927, 1030, 1080, 1236, 1545, 1787, 1854, 2060, 2472, 2781, 3090, 3574, 3708, 4120, 4635, 5361, 5562, 6180, 7148, 7416, 8935, 9270, 10722, 11124, 12360, 13905, 14296, 16083, 17870, 18540, 21444, 22248, 26805, 27810, 32166, 35740, 37080, 42888, 48249, 53610, 55620, 64332, 71480, 80415, 96498, 107220, 111240, 128664, 160830, 184061, 192996, 214440, 241245, 321660, 368122, 385992, 482490, 552183, 643320, 736244, 920305, 964980, 1104366, 1472488, 1656549, 1840610, 1929960, 2208732, 2760915, 3313098, 3681220, 4417464, 4969647, 5521830, 6626196, 7362440, 8282745, 9939294, 11043660, 13252392, 16565490, 19878588, 22087320, 24848235, 33130980, 39757176, 49696470, 66261960, 99392940, 198785880]

約数ペア:

[(1, 198785880), (2, 99392940), (3, 66261960), (4, 49696470), (5, 39757176), (6, 33130980), (8, 24848235), (9, 22087320), (10, 19878588), (12, 16565490), (15, 13252392), (18, 11043660), (20, 9939294), (24, 8282745), (27, 7362440), (30, 6626196), (36, 5521830), (40, 4969647), (45, 4417464), (54, 3681220), (60, 3313098), (72, 2760915), (90, 2208732), (103, 1929960), (108, 1840610), (120, 1656549), (135, 1472488), (180, 1104366), (206, 964980), (216, 920305), (270, 736244), (309, 643320), (360, 552183), (412, 482490), (515, 385992), (540, 368122), (618, 321660), (824, 241245), (927, 214440), (1030, 192996), (1080, 184061), (1236, 160830), (1545, 128664), (1787, 111240), (1854, 107220), (2060, 96498), (2472, 80415), (2781, 71480), (3090, 64332), (3574, 55620), (3708, 53610), (4120, 48249), (4635, 42888), (5361, 37080), (5562, 35740), (6180, 32166), (7148, 27810), (7416, 26805), (8935, 22248), (9270, 21444), (10722, 18540), (11124, 17870), (12360, 16083), (13905, 14296)]