19280880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{439}}^1$

素因数の和:519

約数の個数: 120

約数和(自身を含む): 65963040

約数和(自身を除く): 46682160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 61, 72, 80, 90, 120, 122, 144, 180, 183, 240, 244, 305, 360, 366, 439, 488, 549, 610, 720, 732, 878, 915, 976, 1098, 1220, 1317, 1464, 1756, 1830, 2195, 2196, 2440, 2634, 2745, 2928, 3512, 3660, 3951, 4390, 4392, 4880, 5268, 5490, 6585, 7024, 7320, 7902, 8780, 8784, 10536, 10980, 13170, 14640, 15804, 17560, 19755, 21072, 21960, 26340, 26779, 31608, 35120, 39510, 43920, 52680, 53558, 63216, 79020, 80337, 105360, 107116, 133895, 158040, 160674, 214232, 241011, 267790, 316080, 321348, 401685, 428464, 482022, 535580, 642696, 803370, 964044, 1071160, 1205055, 1285392, 1606740, 1928088, 2142320, 2410110, 3213480, 3856176, 4820220, 6426960, 9640440, 19280880]

約数ペア:

[(1, 19280880), (2, 9640440), (3, 6426960), (4, 4820220), (5, 3856176), (6, 3213480), (8, 2410110), (9, 2142320), (10, 1928088), (12, 1606740), (15, 1285392), (16, 1205055), (18, 1071160), (20, 964044), (24, 803370), (30, 642696), (36, 535580), (40, 482022), (45, 428464), (48, 401685), (60, 321348), (61, 316080), (72, 267790), (80, 241011), (90, 214232), (120, 160674), (122, 158040), (144, 133895), (180, 107116), (183, 105360), (240, 80337), (244, 79020), (305, 63216), (360, 53558), (366, 52680), (439, 43920), (488, 39510), (549, 35120), (610, 31608), (720, 26779), (732, 26340), (878, 21960), (915, 21072), (976, 19755), (1098, 17560), (1220, 15804), (1317, 14640), (1464, 13170), (1756, 10980), (1830, 10536), (2195, 8784), (2196, 8780), (2440, 7902), (2634, 7320), (2745, 7024), (2928, 6585), (3512, 5490), (3660, 5268), (3951, 4880), (4390, 4392)]