130725760

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{599}}^1$

素因数の和:660

約数の個数: 128

約数和(自身を含む): 352512000

約数和(自身を除く): 221786240

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 80, 88, 110, 124, 128, 155, 160, 176, 220, 248, 310, 320, 341, 352, 440, 496, 599, 620, 640, 682, 704, 880, 992, 1198, 1240, 1364, 1408, 1705, 1760, 1984, 2396, 2480, 2728, 2995, 3410, 3520, 3968, 4792, 4960, 5456, 5990, 6589, 6820, 7040, 9584, 9920, 10912, 11980, 13178, 13640, 18569, 19168, 19840, 21824, 23960, 26356, 27280, 32945, 37138, 38336, 43648, 47920, 52712, 54560, 65890, 74276, 76672, 92845, 95840, 105424, 109120, 131780, 148552, 185690, 191680, 204259, 210848, 218240, 263560, 297104, 371380, 383360, 408518, 421696, 527120, 594208, 742760, 817036, 843392, 1021295, 1054240, 1188416, 1485520, 1634072, 2042590, 2108480, 2376832, 2971040, 3268144, 4085180, 4216960, 5942080, 6536288, 8170360, 11884160, 13072576, 16340720, 26145152, 32681440, 65362880, 130725760]

約数ペア:

[(1, 130725760), (2, 65362880), (4, 32681440), (5, 26145152), (8, 16340720), (10, 13072576), (11, 11884160), (16, 8170360), (20, 6536288), (22, 5942080), (31, 4216960), (32, 4085180), (40, 3268144), (44, 2971040), (55, 2376832), (62, 2108480), (64, 2042590), (80, 1634072), (88, 1485520), (110, 1188416), (124, 1054240), (128, 1021295), (155, 843392), (160, 817036), (176, 742760), (220, 594208), (248, 527120), (310, 421696), (320, 408518), (341, 383360), (352, 371380), (440, 297104), (496, 263560), (599, 218240), (620, 210848), (640, 204259), (682, 191680), (704, 185690), (880, 148552), (992, 131780), (1198, 109120), (1240, 105424), (1364, 95840), (1408, 92845), (1705, 76672), (1760, 74276), (1984, 65890), (2396, 54560), (2480, 52712), (2728, 47920), (2995, 43648), (3410, 38336), (3520, 37138), (3968, 32945), (4792, 27280), (4960, 26356), (5456, 23960), (5990, 21824), (6589, 19840), (6820, 19168), (7040, 18569), (9584, 13640), (9920, 13178), (10912, 11980)]