123020380

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{79}}^1\times {\mathrm{227}}^1$

素因数の和:336

約数の個数: 96

約数和(自身を含む): 306432000

約数和(自身を除く): 183411620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 79, 98, 140, 158, 196, 227, 245, 316, 343, 395, 454, 490, 553, 686, 790, 908, 980, 1106, 1135, 1372, 1580, 1589, 1715, 2212, 2270, 2765, 3178, 3430, 3871, 4540, 5530, 6356, 6860, 7742, 7945, 11060, 11123, 15484, 15890, 17933, 19355, 22246, 27097, 31780, 35866, 38710, 44492, 54194, 55615, 71732, 77420, 77861, 89665, 108388, 111230, 125531, 135485, 155722, 179330, 222460, 251062, 270970, 311444, 358660, 389305, 502124, 541940, 627655, 778610, 878717, 1255310, 1557220, 1757434, 2510620, 3514868, 4393585, 6151019, 8787170, 12302038, 17574340, 24604076, 30755095, 61510190, 123020380]

約数ペア:

[(1, 123020380), (2, 61510190), (4, 30755095), (5, 24604076), (7, 17574340), (10, 12302038), (14, 8787170), (20, 6151019), (28, 4393585), (35, 3514868), (49, 2510620), (70, 1757434), (79, 1557220), (98, 1255310), (140, 878717), (158, 778610), (196, 627655), (227, 541940), (245, 502124), (316, 389305), (343, 358660), (395, 311444), (454, 270970), (490, 251062), (553, 222460), (686, 179330), (790, 155722), (908, 135485), (980, 125531), (1106, 111230), (1135, 108388), (1372, 89665), (1580, 77861), (1589, 77420), (1715, 71732), (2212, 55615), (2270, 54194), (2765, 44492), (3178, 38710), (3430, 35866), (3871, 31780), (4540, 27097), (5530, 22246), (6356, 19355), (6860, 17933), (7742, 15890), (7945, 15484), (11060, 11123)]