645798816

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{172489}}^1$

素因数の和:172518

約数の個数: 72

約数和(自身を含む): 1977770340

約数和(自身を除く): 1331971524

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 72, 78, 96, 104, 117, 144, 156, 208, 234, 288, 312, 416, 468, 624, 936, 1248, 1872, 3744, 172489, 344978, 517467, 689956, 1034934, 1379912, 1552401, 2069868, 2242357, 2759824, 3104802, 4139736, 4484714, 5519648, 6209604, 6727071, 8279472, 8969428, 12419208, 13454142, 16558944, 17938856, 20181213, 24838416, 26908284, 35877712, 40362426, 49676832, 53816568, 71755424, 80724852, 107633136, 161449704, 215266272, 322899408, 645798816]

約数ペア:

[(1, 645798816), (2, 322899408), (3, 215266272), (4, 161449704), (6, 107633136), (8, 80724852), (9, 71755424), (12, 53816568), (13, 49676832), (16, 40362426), (18, 35877712), (24, 26908284), (26, 24838416), (32, 20181213), (36, 17938856), (39, 16558944), (48, 13454142), (52, 12419208), (72, 8969428), (78, 8279472), (96, 6727071), (104, 6209604), (117, 5519648), (144, 4484714), (156, 4139736), (208, 3104802), (234, 2759824), (288, 2242357), (312, 2069868), (416, 1552401), (468, 1379912), (624, 1034934), (936, 689956), (1248, 517467), (1872, 344978), (3744, 172489)]