720604672

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{547}}^1$

素因数の和:679

約数の個数: 80

約数和(自身を含む): 1506903552

約数和(自身を除く): 786298880

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 83, 124, 128, 166, 248, 256, 332, 496, 512, 547, 664, 992, 1094, 1328, 1984, 2188, 2573, 2656, 3968, 4376, 5146, 5312, 7936, 8752, 10292, 10624, 15872, 16957, 17504, 20584, 21248, 33914, 35008, 41168, 42496, 45401, 67828, 70016, 82336, 90802, 135656, 140032, 164672, 181604, 271312, 280064, 329344, 363208, 542624, 658688, 726416, 1085248, 1317376, 1407431, 1452832, 2170496, 2814862, 2905664, 4340992, 5629724, 5811328, 8681984, 11259448, 11622656, 22518896, 23245312, 45037792, 90075584, 180151168, 360302336, 720604672]

約数ペア:

[(1, 720604672), (2, 360302336), (4, 180151168), (8, 90075584), (16, 45037792), (31, 23245312), (32, 22518896), (62, 11622656), (64, 11259448), (83, 8681984), (124, 5811328), (128, 5629724), (166, 4340992), (248, 2905664), (256, 2814862), (332, 2170496), (496, 1452832), (512, 1407431), (547, 1317376), (664, 1085248), (992, 726416), (1094, 658688), (1328, 542624), (1984, 363208), (2188, 329344), (2573, 280064), (2656, 271312), (3968, 181604), (4376, 164672), (5146, 140032), (5312, 135656), (7936, 90802), (8752, 82336), (10292, 70016), (10624, 67828), (15872, 45401), (16957, 42496), (17504, 41168), (20584, 35008), (21248, 33914)]