402499440

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{79861}}^1$

素因数の和:79887

約数の個数: 120

約数和(自身を含む): 1544850528

約数和(自身を除く): 1142351088

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 79861, 159722, 239583, 319444, 399305, 479166, 559027, 638888, 718749, 798610, 958332, 1118054, 1197915, 1277776, 1437498, 1597220, 1677081, 1916664, 2236108, 2395830, 2795135, 2874996, 3194440, 3354162, 3593745, 3833328, 4472216, 4791660, 5031243, 5590270, 5749992, 6388880, 6708324, 7187490, 8385405, 8944432, 9583320, 10062486, 11180540, 11499984, 13416648, 14374980, 16770810, 19166640, 20124972, 22361080, 25156215, 26833296, 28749960, 33541620, 40249944, 44722160, 50312430, 57499920, 67083240, 80499888, 100624860, 134166480, 201249720, 402499440]

約数ペア:

[(1, 402499440), (2, 201249720), (3, 134166480), (4, 100624860), (5, 80499888), (6, 67083240), (7, 57499920), (8, 50312430), (9, 44722160), (10, 40249944), (12, 33541620), (14, 28749960), (15, 26833296), (16, 25156215), (18, 22361080), (20, 20124972), (21, 19166640), (24, 16770810), (28, 14374980), (30, 13416648), (35, 11499984), (36, 11180540), (40, 10062486), (42, 9583320), (45, 8944432), (48, 8385405), (56, 7187490), (60, 6708324), (63, 6388880), (70, 5749992), (72, 5590270), (80, 5031243), (84, 4791660), (90, 4472216), (105, 3833328), (112, 3593745), (120, 3354162), (126, 3194440), (140, 2874996), (144, 2795135), (168, 2395830), (180, 2236108), (210, 1916664), (240, 1677081), (252, 1597220), (280, 1437498), (315, 1277776), (336, 1197915), (360, 1118054), (420, 958332), (504, 798610), (560, 718749), (630, 638888), (720, 559027), (840, 479166), (1008, 399305), (1260, 319444), (1680, 239583), (2520, 159722), (5040, 79861)]