305943840

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{212461}}^1$

素因数の和:212482

約数の個数: 72

約数和(自身を含む): 1044038268

約数和(自身を除く): 738094428

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 212461, 424922, 637383, 849844, 1062305, 1274766, 1699688, 1912149, 2124610, 2549532, 3186915, 3399376, 3824298, 4249220, 5099064, 6373830, 6798752, 7648596, 8498440, 9560745, 10198128, 12747660, 15297192, 16996880, 19121490, 20396256, 25495320, 30594384, 33993760, 38242980, 50990640, 61188768, 76485960, 101981280, 152971920, 305943840]

約数ペア:

[(1, 305943840), (2, 152971920), (3, 101981280), (4, 76485960), (5, 61188768), (6, 50990640), (8, 38242980), (9, 33993760), (10, 30594384), (12, 25495320), (15, 20396256), (16, 19121490), (18, 16996880), (20, 15297192), (24, 12747660), (30, 10198128), (32, 9560745), (36, 8498440), (40, 7648596), (45, 6798752), (48, 6373830), (60, 5099064), (72, 4249220), (80, 3824298), (90, 3399376), (96, 3186915), (120, 2549532), (144, 2124610), (160, 1912149), (180, 1699688), (240, 1274766), (288, 1062305), (360, 849844), (480, 637383), (720, 424922), (1440, 212461)]