665013984

素因数分解:

$2^5\times 3^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{619}}^1$

素因数の和:701

約数の個数: 144

約数和(自身を含む): 1904878080

約数和(自身を除く): 1239864096

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 31, 32, 38, 48, 57, 62, 76, 93, 96, 114, 124, 152, 186, 228, 248, 304, 361, 372, 456, 496, 589, 608, 619, 722, 744, 912, 992, 1083, 1178, 1238, 1444, 1488, 1767, 1824, 1857, 2166, 2356, 2476, 2888, 2976, 3534, 3714, 4332, 4712, 4952, 5776, 7068, 7428, 8664, 9424, 9904, 11191, 11552, 11761, 14136, 14856, 17328, 18848, 19189, 19808, 22382, 23522, 28272, 29712, 33573, 34656, 35283, 38378, 44764, 47044, 56544, 57567, 59424, 67146, 70566, 76756, 89528, 94088, 115134, 134292, 141132, 153512, 179056, 188176, 223459, 230268, 268584, 282264, 307024, 358112, 364591, 376352, 446918, 460536, 537168, 564528, 614048, 670377, 729182, 893836, 921072, 1074336, 1093773, 1129056, 1340754, 1458364, 1787672, 1842144, 2187546, 2681508, 2916728, 3575344, 4375092, 5363016, 5833456, 6927229, 7150688, 8750184, 10726032, 11666912, 13854458, 17500368, 20781687, 21452064, 27708916, 35000736, 41563374, 55417832, 83126748, 110835664, 166253496, 221671328, 332506992, 665013984]

約数ペア:

[(1, 665013984), (2, 332506992), (3, 221671328), (4, 166253496), (6, 110835664), (8, 83126748), (12, 55417832), (16, 41563374), (19, 35000736), (24, 27708916), (31, 21452064), (32, 20781687), (38, 17500368), (48, 13854458), (57, 11666912), (62, 10726032), (76, 8750184), (93, 7150688), (96, 6927229), (114, 5833456), (124, 5363016), (152, 4375092), (186, 3575344), (228, 2916728), (248, 2681508), (304, 2187546), (361, 1842144), (372, 1787672), (456, 1458364), (496, 1340754), (589, 1129056), (608, 1093773), (619, 1074336), (722, 921072), (744, 893836), (912, 729182), (992, 670377), (1083, 614048), (1178, 564528), (1238, 537168), (1444, 460536), (1488, 446918), (1767, 376352), (1824, 364591), (1857, 358112), (2166, 307024), (2356, 282264), (2476, 268584), (2888, 230268), (2976, 223459), (3534, 188176), (3714, 179056), (4332, 153512), (4712, 141132), (4952, 134292), (5776, 115134), (7068, 94088), (7428, 89528), (8664, 76756), (9424, 70566), (9904, 67146), (11191, 59424), (11552, 57567), (11761, 56544), (14136, 47044), (14856, 44764), (17328, 38378), (18848, 35283), (19189, 34656), (19808, 33573), (22382, 29712), (23522, 28272)]