157905440

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1831}}^1$

素因数の和:1871

約数の個数: 144

約数和(自身を含む): 473667264

約数和(自身を除く): 315761824

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 49, 55, 56, 70, 77, 80, 88, 98, 110, 112, 140, 154, 160, 176, 196, 220, 224, 245, 280, 308, 352, 385, 392, 440, 490, 539, 560, 616, 770, 784, 880, 980, 1078, 1120, 1232, 1540, 1568, 1760, 1831, 1960, 2156, 2464, 2695, 3080, 3662, 3920, 4312, 5390, 6160, 7324, 7840, 8624, 9155, 10780, 12320, 12817, 14648, 17248, 18310, 20141, 21560, 25634, 29296, 36620, 40282, 43120, 51268, 58592, 64085, 73240, 80564, 86240, 89719, 100705, 102536, 128170, 140987, 146480, 161128, 179438, 201410, 205072, 256340, 281974, 292960, 322256, 358876, 402820, 410144, 448595, 512680, 563948, 644512, 704935, 717752, 805640, 897190, 986909, 1025360, 1127896, 1409870, 1435504, 1611280, 1794380, 1973818, 2050720, 2255792, 2819740, 2871008, 3222560, 3588760, 3947636, 4511584, 4934545, 5639480, 7177520, 7895272, 9869090, 11278960, 14355040, 15790544, 19738180, 22557920, 31581088, 39476360, 78952720, 157905440]

約数ペア:

[(1, 157905440), (2, 78952720), (4, 39476360), (5, 31581088), (7, 22557920), (8, 19738180), (10, 15790544), (11, 14355040), (14, 11278960), (16, 9869090), (20, 7895272), (22, 7177520), (28, 5639480), (32, 4934545), (35, 4511584), (40, 3947636), (44, 3588760), (49, 3222560), (55, 2871008), (56, 2819740), (70, 2255792), (77, 2050720), (80, 1973818), (88, 1794380), (98, 1611280), (110, 1435504), (112, 1409870), (140, 1127896), (154, 1025360), (160, 986909), (176, 897190), (196, 805640), (220, 717752), (224, 704935), (245, 644512), (280, 563948), (308, 512680), (352, 448595), (385, 410144), (392, 402820), (440, 358876), (490, 322256), (539, 292960), (560, 281974), (616, 256340), (770, 205072), (784, 201410), (880, 179438), (980, 161128), (1078, 146480), (1120, 140987), (1232, 128170), (1540, 102536), (1568, 100705), (1760, 89719), (1831, 86240), (1960, 80564), (2156, 73240), (2464, 64085), (2695, 58592), (3080, 51268), (3662, 43120), (3920, 40282), (4312, 36620), (5390, 29296), (6160, 25634), (7324, 21560), (7840, 20141), (8624, 18310), (9155, 17248), (10780, 14648), (12320, 12817)]