721570302

素因数分解:

$2^1\times 3^3\times {\mathrm{53}}^2\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:255

約数の個数: 96

約数和(自身を含む): 1682069760

約数和(自身を除く): 960499458

約数列:

[1, 2, 3, 6, 9, 18, 27, 53, 54, 67, 71, 106, 134, 142, 159, 201, 213, 318, 402, 426, 477, 603, 639, 954, 1206, 1278, 1431, 1809, 1917, 2809, 2862, 3551, 3618, 3763, 3834, 4757, 5618, 7102, 7526, 8427, 9514, 10653, 11289, 14271, 16854, 21306, 22578, 25281, 28542, 31959, 33867, 42813, 50562, 63918, 67734, 75843, 85626, 95877, 101601, 128439, 151686, 188203, 191754, 199439, 203202, 252121, 256878, 376406, 398878, 504242, 564609, 598317, 756363, 1129218, 1196634, 1512726, 1693827, 1794951, 2269089, 3387654, 3589902, 4538178, 5081481, 5384853, 6807267, 10162962, 10769706, 13362413, 13614534, 26724826, 40087239, 80174478, 120261717, 240523434, 360785151, 721570302]

約数ペア:

[(1, 721570302), (2, 360785151), (3, 240523434), (6, 120261717), (9, 80174478), (18, 40087239), (27, 26724826), (53, 13614534), (54, 13362413), (67, 10769706), (71, 10162962), (106, 6807267), (134, 5384853), (142, 5081481), (159, 4538178), (201, 3589902), (213, 3387654), (318, 2269089), (402, 1794951), (426, 1693827), (477, 1512726), (603, 1196634), (639, 1129218), (954, 756363), (1206, 598317), (1278, 564609), (1431, 504242), (1809, 398878), (1917, 376406), (2809, 256878), (2862, 252121), (3551, 203202), (3618, 199439), (3763, 191754), (3834, 188203), (4757, 151686), (5618, 128439), (7102, 101601), (7526, 95877), (8427, 85626), (9514, 75843), (10653, 67734), (11289, 63918), (14271, 50562), (16854, 42813), (21306, 33867), (22578, 31959), (25281, 28542)]