31779300

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{409}}^1$

素因数の和:470

約数の個数: 144

約数和(自身を含む): 108187520

約数和(自身を除く): 76408220

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 37, 42, 50, 60, 70, 74, 75, 84, 100, 105, 111, 140, 148, 150, 175, 185, 210, 222, 259, 300, 350, 370, 409, 420, 444, 518, 525, 555, 700, 740, 777, 818, 925, 1036, 1050, 1110, 1227, 1295, 1554, 1636, 1850, 2045, 2100, 2220, 2454, 2590, 2775, 2863, 3108, 3700, 3885, 4090, 4908, 5180, 5550, 5726, 6135, 6475, 7770, 8180, 8589, 10225, 11100, 11452, 12270, 12950, 14315, 15133, 15540, 17178, 19425, 20450, 24540, 25900, 28630, 30266, 30675, 34356, 38850, 40900, 42945, 45399, 57260, 60532, 61350, 71575, 75665, 77700, 85890, 90798, 105931, 122700, 143150, 151330, 171780, 181596, 211862, 214725, 226995, 286300, 302660, 317793, 378325, 423724, 429450, 453990, 529655, 635586, 756650, 858900, 907980, 1059310, 1134975, 1271172, 1513300, 1588965, 2118620, 2269950, 2648275, 3177930, 4539900, 5296550, 6355860, 7944825, 10593100, 15889650, 31779300]

約数ペア:

[(1, 31779300), (2, 15889650), (3, 10593100), (4, 7944825), (5, 6355860), (6, 5296550), (7, 4539900), (10, 3177930), (12, 2648275), (14, 2269950), (15, 2118620), (20, 1588965), (21, 1513300), (25, 1271172), (28, 1134975), (30, 1059310), (35, 907980), (37, 858900), (42, 756650), (50, 635586), (60, 529655), (70, 453990), (74, 429450), (75, 423724), (84, 378325), (100, 317793), (105, 302660), (111, 286300), (140, 226995), (148, 214725), (150, 211862), (175, 181596), (185, 171780), (210, 151330), (222, 143150), (259, 122700), (300, 105931), (350, 90798), (370, 85890), (409, 77700), (420, 75665), (444, 71575), (518, 61350), (525, 60532), (555, 57260), (700, 45399), (740, 42945), (777, 40900), (818, 38850), (925, 34356), (1036, 30675), (1050, 30266), (1110, 28630), (1227, 25900), (1295, 24540), (1554, 20450), (1636, 19425), (1850, 17178), (2045, 15540), (2100, 15133), (2220, 14315), (2454, 12950), (2590, 12270), (2775, 11452), (2863, 11100), (3108, 10225), (3700, 8589), (3885, 8180), (4090, 7770), (4908, 6475), (5180, 6135), (5550, 5726)]