18925093880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{997}}^1\times {\mathrm{6163}}^1$

素因数の和:7189

約数の個数: 128

約数和(自身を含む): 53150446080

約数和(自身を除く): 34225352200

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 997, 1540, 1994, 3080, 3988, 4985, 6163, 6979, 7976, 9970, 10967, 12326, 13958, 19940, 21934, 24652, 27916, 30815, 34895, 39880, 43141, 43868, 49304, 54835, 55832, 61630, 67793, 69790, 76769, 86282, 87736, 109670, 123260, 135586, 139580, 153538, 172564, 215705, 219340, 246520, 271172, 279160, 307076, 338965, 345128, 383845, 431410, 438680, 474551, 542344, 614152, 677930, 767690, 862820, 949102, 1355860, 1535380, 1725640, 1898204, 2372755, 2711720, 3070760, 3796408, 4745510, 6144511, 9491020, 12289022, 18982040, 24578044, 30722555, 43011577, 49156088, 61445110, 67589621, 86023154, 122890220, 135179242, 172046308, 215057885, 245780440, 270358484, 337948105, 344092616, 430115770, 473127347, 540716968, 675896210, 860231540, 946254694, 1351792420, 1720463080, 1892509388, 2365636735, 2703584840, 3785018776, 4731273470, 9462546940, 18925093880]

約数ペア:

[(1, 18925093880), (2, 9462546940), (4, 4731273470), (5, 3785018776), (7, 2703584840), (8, 2365636735), (10, 1892509388), (11, 1720463080), (14, 1351792420), (20, 946254694), (22, 860231540), (28, 675896210), (35, 540716968), (40, 473127347), (44, 430115770), (55, 344092616), (56, 337948105), (70, 270358484), (77, 245780440), (88, 215057885), (110, 172046308), (140, 135179242), (154, 122890220), (220, 86023154), (280, 67589621), (308, 61445110), (385, 49156088), (440, 43011577), (616, 30722555), (770, 24578044), (997, 18982040), (1540, 12289022), (1994, 9491020), (3080, 6144511), (3988, 4745510), (4985, 3796408), (6163, 3070760), (6979, 2711720), (7976, 2372755), (9970, 1898204), (10967, 1725640), (12326, 1535380), (13958, 1355860), (19940, 949102), (21934, 862820), (24652, 767690), (27916, 677930), (30815, 614152), (34895, 542344), (39880, 474551), (43141, 438680), (43868, 431410), (49304, 383845), (54835, 345128), (55832, 338965), (61630, 307076), (67793, 279160), (69790, 271172), (76769, 246520), (86282, 219340), (87736, 215705), (109670, 172564), (123260, 153538), (135586, 139580)]