263467760

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^2\times {\mathrm{149}}^1$

素因数の和:247

約数の個数: 120

約数和(自身を含む): 664912800

約数和(自身を除く): 401445040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 40, 46, 62, 80, 92, 115, 124, 149, 155, 184, 230, 248, 298, 310, 368, 460, 496, 596, 620, 713, 745, 920, 961, 1192, 1240, 1426, 1490, 1840, 1922, 2384, 2480, 2852, 2980, 3427, 3565, 3844, 4619, 4805, 5704, 5960, 6854, 7130, 7688, 9238, 9610, 11408, 11920, 13708, 14260, 15376, 17135, 18476, 19220, 22103, 23095, 27416, 28520, 34270, 36952, 38440, 44206, 46190, 54832, 57040, 68540, 73904, 76880, 88412, 92380, 106237, 110515, 137080, 143189, 176824, 184760, 212474, 221030, 274160, 286378, 353648, 369520, 424948, 442060, 531185, 572756, 715945, 849896, 884120, 1062370, 1145512, 1431890, 1699792, 1768240, 2124740, 2291024, 2863780, 3293347, 4249480, 5727560, 6586694, 8498960, 11455120, 13173388, 16466735, 26346776, 32933470, 52693552, 65866940, 131733880, 263467760]

約数ペア:

[(1, 263467760), (2, 131733880), (4, 65866940), (5, 52693552), (8, 32933470), (10, 26346776), (16, 16466735), (20, 13173388), (23, 11455120), (31, 8498960), (40, 6586694), (46, 5727560), (62, 4249480), (80, 3293347), (92, 2863780), (115, 2291024), (124, 2124740), (149, 1768240), (155, 1699792), (184, 1431890), (230, 1145512), (248, 1062370), (298, 884120), (310, 849896), (368, 715945), (460, 572756), (496, 531185), (596, 442060), (620, 424948), (713, 369520), (745, 353648), (920, 286378), (961, 274160), (1192, 221030), (1240, 212474), (1426, 184760), (1490, 176824), (1840, 143189), (1922, 137080), (2384, 110515), (2480, 106237), (2852, 92380), (2980, 88412), (3427, 76880), (3565, 73904), (3844, 68540), (4619, 57040), (4805, 54832), (5704, 46190), (5960, 44206), (6854, 38440), (7130, 36952), (7688, 34270), (9238, 28520), (9610, 27416), (11408, 23095), (11920, 22103), (13708, 19220), (14260, 18476), (15376, 17135)]