206801880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{991}}^1$

素因数の和:1089

約数の個数: 128

約数和(自身を含む): 651386880

約数和(自身を除く): 444585000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 47, 60, 74, 94, 111, 120, 141, 148, 185, 188, 222, 235, 282, 296, 370, 376, 444, 470, 555, 564, 705, 740, 888, 940, 991, 1110, 1128, 1410, 1480, 1739, 1880, 1982, 2220, 2820, 2973, 3478, 3964, 4440, 4955, 5217, 5640, 5946, 6956, 7928, 8695, 9910, 10434, 11892, 13912, 14865, 17390, 19820, 20868, 23784, 26085, 29730, 34780, 36667, 39640, 41736, 46577, 52170, 59460, 69560, 73334, 93154, 104340, 110001, 118920, 139731, 146668, 183335, 186308, 208680, 220002, 232885, 279462, 293336, 366670, 372616, 440004, 465770, 550005, 558924, 698655, 733340, 880008, 931540, 1100010, 1117848, 1397310, 1466680, 1723349, 1863080, 2200020, 2794620, 3446698, 4400040, 5170047, 5589240, 6893396, 8616745, 10340094, 13786792, 17233490, 20680188, 25850235, 34466980, 41360376, 51700470, 68933960, 103400940, 206801880]

約数ペア:

[(1, 206801880), (2, 103400940), (3, 68933960), (4, 51700470), (5, 41360376), (6, 34466980), (8, 25850235), (10, 20680188), (12, 17233490), (15, 13786792), (20, 10340094), (24, 8616745), (30, 6893396), (37, 5589240), (40, 5170047), (47, 4400040), (60, 3446698), (74, 2794620), (94, 2200020), (111, 1863080), (120, 1723349), (141, 1466680), (148, 1397310), (185, 1117848), (188, 1100010), (222, 931540), (235, 880008), (282, 733340), (296, 698655), (370, 558924), (376, 550005), (444, 465770), (470, 440004), (555, 372616), (564, 366670), (705, 293336), (740, 279462), (888, 232885), (940, 220002), (991, 208680), (1110, 186308), (1128, 183335), (1410, 146668), (1480, 139731), (1739, 118920), (1880, 110001), (1982, 104340), (2220, 93154), (2820, 73334), (2973, 69560), (3478, 59460), (3964, 52170), (4440, 46577), (4955, 41736), (5217, 39640), (5640, 36667), (5946, 34780), (6956, 29730), (7928, 26085), (8695, 23784), (9910, 20868), (10434, 19820), (11892, 17390), (13912, 14865)]