320578356

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1\times {\mathrm{313}}^1$

素因数の和:553

約数の個数: 96

約数和(自身を含む): 873573120

約数和(自身を除く): 552994764

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 89, 137, 178, 267, 274, 313, 356, 411, 534, 548, 623, 626, 822, 939, 959, 1068, 1246, 1252, 1644, 1869, 1878, 1918, 2191, 2492, 2877, 3738, 3756, 3836, 4382, 5754, 6573, 7476, 8764, 11508, 12193, 13146, 24386, 26292, 27857, 36579, 42881, 48772, 55714, 73158, 83571, 85351, 85762, 111428, 128643, 146316, 167142, 170702, 171524, 194999, 256053, 257286, 300167, 334284, 341404, 389998, 512106, 514572, 584997, 600334, 779996, 900501, 1024212, 1169994, 1200668, 1801002, 2339988, 3602004, 3816409, 7632818, 11449227, 15265636, 22898454, 26714863, 45796908, 53429726, 80144589, 106859452, 160289178, 320578356]

約数ペア:

[(1, 320578356), (2, 160289178), (3, 106859452), (4, 80144589), (6, 53429726), (7, 45796908), (12, 26714863), (14, 22898454), (21, 15265636), (28, 11449227), (42, 7632818), (84, 3816409), (89, 3602004), (137, 2339988), (178, 1801002), (267, 1200668), (274, 1169994), (313, 1024212), (356, 900501), (411, 779996), (534, 600334), (548, 584997), (623, 514572), (626, 512106), (822, 389998), (939, 341404), (959, 334284), (1068, 300167), (1246, 257286), (1252, 256053), (1644, 194999), (1869, 171524), (1878, 170702), (1918, 167142), (2191, 146316), (2492, 128643), (2877, 111428), (3738, 85762), (3756, 85351), (3836, 83571), (4382, 73158), (5754, 55714), (6573, 48772), (7476, 42881), (8764, 36579), (11508, 27857), (12193, 26292), (13146, 24386)]