128906260

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:115

約数の個数: 192

約数和(自身を含む): 354816000

約数和(自身を除く): 225909740

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 23, 28, 35, 38, 43, 46, 49, 70, 76, 86, 92, 95, 98, 115, 133, 140, 161, 172, 190, 196, 215, 230, 245, 266, 301, 322, 343, 380, 430, 437, 460, 490, 532, 602, 644, 665, 686, 805, 817, 860, 874, 931, 980, 989, 1127, 1204, 1330, 1372, 1505, 1610, 1634, 1715, 1748, 1862, 1978, 2107, 2185, 2254, 2660, 3010, 3059, 3220, 3268, 3430, 3724, 3956, 4085, 4214, 4370, 4508, 4655, 4945, 5635, 5719, 6020, 6118, 6517, 6860, 6923, 7889, 8170, 8428, 8740, 9310, 9890, 10535, 11270, 11438, 12236, 13034, 13846, 14749, 15295, 15778, 16340, 18620, 18791, 19780, 21070, 21413, 22540, 22876, 26068, 27692, 28595, 29498, 30590, 31556, 32585, 34615, 37582, 39445, 40033, 42140, 42826, 48461, 57190, 58996, 61180, 65170, 69230, 73745, 75164, 78890, 80066, 85652, 93955, 96922, 107065, 114380, 130340, 131537, 138460, 147490, 149891, 157780, 160132, 187910, 193844, 200165, 214130, 242305, 263074, 280231, 294980, 299782, 339227, 375820, 400330, 428260, 484610, 526148, 560462, 599564, 657685, 678454, 749455, 800660, 920759, 969220, 1120924, 1315370, 1356908, 1401155, 1498910, 1696135, 1841518, 2630740, 2802310, 2997820, 3392270, 3683036, 4603795, 5604620, 6445313, 6784540, 9207590, 12890626, 18415180, 25781252, 32226565, 64453130, 128906260]

約数ペア:

[(1, 128906260), (2, 64453130), (4, 32226565), (5, 25781252), (7, 18415180), (10, 12890626), (14, 9207590), (19, 6784540), (20, 6445313), (23, 5604620), (28, 4603795), (35, 3683036), (38, 3392270), (43, 2997820), (46, 2802310), (49, 2630740), (70, 1841518), (76, 1696135), (86, 1498910), (92, 1401155), (95, 1356908), (98, 1315370), (115, 1120924), (133, 969220), (140, 920759), (161, 800660), (172, 749455), (190, 678454), (196, 657685), (215, 599564), (230, 560462), (245, 526148), (266, 484610), (301, 428260), (322, 400330), (343, 375820), (380, 339227), (430, 299782), (437, 294980), (460, 280231), (490, 263074), (532, 242305), (602, 214130), (644, 200165), (665, 193844), (686, 187910), (805, 160132), (817, 157780), (860, 149891), (874, 147490), (931, 138460), (980, 131537), (989, 130340), (1127, 114380), (1204, 107065), (1330, 96922), (1372, 93955), (1505, 85652), (1610, 80066), (1634, 78890), (1715, 75164), (1748, 73745), (1862, 69230), (1978, 65170), (2107, 61180), (2185, 58996), (2254, 57190), (2660, 48461), (3010, 42826), (3059, 42140), (3220, 40033), (3268, 39445), (3430, 37582), (3724, 34615), (3956, 32585), (4085, 31556), (4214, 30590), (4370, 29498), (4508, 28595), (4655, 27692), (4945, 26068), (5635, 22876), (5719, 22540), (6020, 21413), (6118, 21070), (6517, 19780), (6860, 18791), (6923, 18620), (7889, 16340), (8170, 15778), (8428, 15295), (8740, 14749), (9310, 13846), (9890, 13034), (10535, 12236), (11270, 11438)]