1765680640

素因数分解:

$2^9\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1171}}^1$

素因数の和:1244

約数の個数: 160

約数和(自身を含む): 4603991040

約数和(自身を除く): 2838310400

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 62, 64, 76, 80, 95, 124, 128, 152, 155, 160, 190, 248, 256, 304, 310, 320, 380, 496, 512, 589, 608, 620, 640, 760, 992, 1171, 1178, 1216, 1240, 1280, 1520, 1984, 2342, 2356, 2432, 2480, 2560, 2945, 3040, 3968, 4684, 4712, 4864, 4960, 5855, 5890, 6080, 7936, 9368, 9424, 9728, 9920, 11710, 11780, 12160, 15872, 18736, 18848, 19840, 22249, 23420, 23560, 24320, 36301, 37472, 37696, 39680, 44498, 46840, 47120, 48640, 72602, 74944, 75392, 79360, 88996, 93680, 94240, 111245, 145204, 149888, 150784, 177992, 181505, 187360, 188480, 222490, 290408, 299776, 301568, 355984, 363010, 374720, 376960, 444980, 580816, 599552, 689719, 711968, 726020, 749440, 753920, 889960, 1161632, 1379438, 1423936, 1452040, 1498880, 1507840, 1779920, 2323264, 2758876, 2847872, 2904080, 2997760, 3448595, 3559840, 4646528, 5517752, 5695744, 5808160, 6897190, 7119680, 9293056, 11035504, 11391488, 11616320, 13794380, 14239360, 18586112, 22071008, 23232640, 27588760, 28478720, 44142016, 46465280, 55177520, 56957440, 88284032, 92930560, 110355040, 176568064, 220710080, 353136128, 441420160, 882840320, 1765680640]

約数ペア:

[(1, 1765680640), (2, 882840320), (4, 441420160), (5, 353136128), (8, 220710080), (10, 176568064), (16, 110355040), (19, 92930560), (20, 88284032), (31, 56957440), (32, 55177520), (38, 46465280), (40, 44142016), (62, 28478720), (64, 27588760), (76, 23232640), (80, 22071008), (95, 18586112), (124, 14239360), (128, 13794380), (152, 11616320), (155, 11391488), (160, 11035504), (190, 9293056), (248, 7119680), (256, 6897190), (304, 5808160), (310, 5695744), (320, 5517752), (380, 4646528), (496, 3559840), (512, 3448595), (589, 2997760), (608, 2904080), (620, 2847872), (640, 2758876), (760, 2323264), (992, 1779920), (1171, 1507840), (1178, 1498880), (1216, 1452040), (1240, 1423936), (1280, 1379438), (1520, 1161632), (1984, 889960), (2342, 753920), (2356, 749440), (2432, 726020), (2480, 711968), (2560, 689719), (2945, 599552), (3040, 580816), (3968, 444980), (4684, 376960), (4712, 374720), (4864, 363010), (4960, 355984), (5855, 301568), (5890, 299776), (6080, 290408), (7936, 222490), (9368, 188480), (9424, 187360), (9728, 181505), (9920, 177992), (11710, 150784), (11780, 149888), (12160, 145204), (15872, 111245), (18736, 94240), (18848, 93680), (19840, 88996), (22249, 79360), (23420, 75392), (23560, 74944), (24320, 72602), (36301, 48640), (37472, 47120), (37696, 46840), (39680, 44498)]