67991680

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:222

約数の個数: 128

約数和(自身を含む): 176256000

約数和(自身を除く): 108264320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 32, 40, 46, 62, 64, 80, 92, 115, 124, 128, 149, 155, 160, 184, 230, 248, 298, 310, 320, 368, 460, 496, 596, 620, 640, 713, 736, 745, 920, 992, 1192, 1240, 1426, 1472, 1490, 1840, 1984, 2384, 2480, 2852, 2944, 2980, 3427, 3565, 3680, 3968, 4619, 4768, 4960, 5704, 5960, 6854, 7130, 7360, 9238, 9536, 9920, 11408, 11920, 13708, 14260, 14720, 17135, 18476, 19072, 19840, 22816, 23095, 23840, 27416, 28520, 34270, 36952, 45632, 46190, 47680, 54832, 57040, 68540, 73904, 91264, 92380, 95360, 106237, 109664, 114080, 137080, 147808, 184760, 212474, 219328, 228160, 274160, 295616, 369520, 424948, 438656, 456320, 531185, 548320, 591232, 739040, 849896, 1062370, 1096640, 1478080, 1699792, 2124740, 2193280, 2956160, 3399584, 4249480, 6799168, 8498960, 13598336, 16997920, 33995840, 67991680]

約数ペア:

[(1, 67991680), (2, 33995840), (4, 16997920), (5, 13598336), (8, 8498960), (10, 6799168), (16, 4249480), (20, 3399584), (23, 2956160), (31, 2193280), (32, 2124740), (40, 1699792), (46, 1478080), (62, 1096640), (64, 1062370), (80, 849896), (92, 739040), (115, 591232), (124, 548320), (128, 531185), (149, 456320), (155, 438656), (160, 424948), (184, 369520), (230, 295616), (248, 274160), (298, 228160), (310, 219328), (320, 212474), (368, 184760), (460, 147808), (496, 137080), (596, 114080), (620, 109664), (640, 106237), (713, 95360), (736, 92380), (745, 91264), (920, 73904), (992, 68540), (1192, 57040), (1240, 54832), (1426, 47680), (1472, 46190), (1490, 45632), (1840, 36952), (1984, 34270), (2384, 28520), (2480, 27416), (2852, 23840), (2944, 23095), (2980, 22816), (3427, 19840), (3565, 19072), (3680, 18476), (3968, 17135), (4619, 14720), (4768, 14260), (4960, 13708), (5704, 11920), (5960, 11408), (6854, 9920), (7130, 9536), (7360, 9238)]