78952720

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1831}}^1$

素因数の和:1869

約数の個数: 120

約数和(自身を含む): 233074368

約数和(自身を除く): 154121648

約数列:

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

約数ペア:

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