201680280

素因数分解:

$2^3\times 3^5\times 5^1\times {\mathrm{20749}}^1$

素因数の和:20775

約数の個数: 96

約数和(自身を含む): 679770000

約数和(自身を除く): 478089720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 243, 270, 324, 360, 405, 486, 540, 648, 810, 972, 1080, 1215, 1620, 1944, 2430, 3240, 4860, 9720, 20749, 41498, 62247, 82996, 103745, 124494, 165992, 186741, 207490, 248988, 311235, 373482, 414980, 497976, 560223, 622470, 746964, 829960, 933705, 1120446, 1244940, 1493928, 1680669, 1867410, 2240892, 2489880, 2801115, 3361338, 3734820, 4481784, 5042007, 5602230, 6722676, 7469640, 8403345, 10084014, 11204460, 13445352, 16806690, 20168028, 22408920, 25210035, 33613380, 40336056, 50420070, 67226760, 100840140, 201680280]

約数ペア:

[(1, 201680280), (2, 100840140), (3, 67226760), (4, 50420070), (5, 40336056), (6, 33613380), (8, 25210035), (9, 22408920), (10, 20168028), (12, 16806690), (15, 13445352), (18, 11204460), (20, 10084014), (24, 8403345), (27, 7469640), (30, 6722676), (36, 5602230), (40, 5042007), (45, 4481784), (54, 3734820), (60, 3361338), (72, 2801115), (81, 2489880), (90, 2240892), (108, 1867410), (120, 1680669), (135, 1493928), (162, 1244940), (180, 1120446), (216, 933705), (243, 829960), (270, 746964), (324, 622470), (360, 560223), (405, 497976), (486, 414980), (540, 373482), (648, 311235), (810, 248988), (972, 207490), (1080, 186741), (1215, 165992), (1620, 124494), (1944, 103745), (2430, 82996), (3240, 62247), (4860, 41498), (9720, 20749)]