15380120

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{59}}^1$

素因数の和:110

約数の個数: 128

約数和(自身を含む): 43200000

約数和(自身を除く): 27819880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 49, 56, 59, 70, 76, 95, 98, 118, 133, 140, 152, 190, 196, 236, 245, 266, 280, 295, 343, 380, 392, 413, 472, 490, 532, 590, 665, 686, 760, 826, 931, 980, 1064, 1121, 1180, 1330, 1372, 1652, 1715, 1862, 1960, 2065, 2242, 2360, 2660, 2744, 2891, 3304, 3430, 3724, 4130, 4484, 4655, 5320, 5605, 5782, 6517, 6860, 7448, 7847, 8260, 8968, 9310, 11210, 11564, 13034, 13720, 14455, 15694, 16520, 18620, 20237, 22420, 23128, 26068, 28910, 31388, 32585, 37240, 39235, 40474, 44840, 52136, 54929, 57820, 62776, 65170, 78470, 80948, 101185, 109858, 115640, 130340, 156940, 161896, 202370, 219716, 260680, 274645, 313880, 384503, 404740, 439432, 549290, 769006, 809480, 1098580, 1538012, 1922515, 2197160, 3076024, 3845030, 7690060, 15380120]

約数ペア:

[(1, 15380120), (2, 7690060), (4, 3845030), (5, 3076024), (7, 2197160), (8, 1922515), (10, 1538012), (14, 1098580), (19, 809480), (20, 769006), (28, 549290), (35, 439432), (38, 404740), (40, 384503), (49, 313880), (56, 274645), (59, 260680), (70, 219716), (76, 202370), (95, 161896), (98, 156940), (118, 130340), (133, 115640), (140, 109858), (152, 101185), (190, 80948), (196, 78470), (236, 65170), (245, 62776), (266, 57820), (280, 54929), (295, 52136), (343, 44840), (380, 40474), (392, 39235), (413, 37240), (472, 32585), (490, 31388), (532, 28910), (590, 26068), (665, 23128), (686, 22420), (760, 20237), (826, 18620), (931, 16520), (980, 15694), (1064, 14455), (1121, 13720), (1180, 13034), (1330, 11564), (1372, 11210), (1652, 9310), (1715, 8968), (1862, 8260), (1960, 7847), (2065, 7448), (2242, 6860), (2360, 6517), (2660, 5782), (2744, 5605), (2891, 5320), (3304, 4655), (3430, 4484), (3724, 4130)]