155357440

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{2477}}^1$

素因数の和:2512

約数の個数: 108

約数和(自身を含む): 433060236

約数和(自身を除く): 277702796

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 320, 392, 448, 490, 560, 640, 784, 896, 980, 1120, 1280, 1568, 1792, 1960, 2240, 2477, 3136, 3920, 4480, 4954, 6272, 7840, 8960, 9908, 12385, 12544, 15680, 17339, 19816, 24770, 31360, 34678, 39632, 49540, 62720, 69356, 79264, 86695, 99080, 121373, 138712, 158528, 173390, 198160, 242746, 277424, 317056, 346780, 396320, 485492, 554848, 606865, 634112, 693560, 792640, 970984, 1109696, 1213730, 1387120, 1585280, 1941968, 2219392, 2427460, 2774240, 3170560, 3883936, 4438784, 4854920, 5548480, 7767872, 9709840, 11096960, 15535744, 19419680, 22193920, 31071488, 38839360, 77678720, 155357440]

約数ペア:

[(1, 155357440), (2, 77678720), (4, 38839360), (5, 31071488), (7, 22193920), (8, 19419680), (10, 15535744), (14, 11096960), (16, 9709840), (20, 7767872), (28, 5548480), (32, 4854920), (35, 4438784), (40, 3883936), (49, 3170560), (56, 2774240), (64, 2427460), (70, 2219392), (80, 1941968), (98, 1585280), (112, 1387120), (128, 1213730), (140, 1109696), (160, 970984), (196, 792640), (224, 693560), (245, 634112), (256, 606865), (280, 554848), (320, 485492), (392, 396320), (448, 346780), (490, 317056), (560, 277424), (640, 242746), (784, 198160), (896, 173390), (980, 158528), (1120, 138712), (1280, 121373), (1568, 99080), (1792, 86695), (1960, 79264), (2240, 69356), (2477, 62720), (3136, 49540), (3920, 39632), (4480, 34678), (4954, 31360), (6272, 24770), (7840, 19816), (8960, 17339), (9908, 15680), (12385, 12544)]