320004552

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{269}}^1$

素因数の和:455

約数の個数: 128

約数和(自身を含む): 939859200

約数和(自身を除く): 619854648

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 73, 84, 97, 146, 168, 194, 219, 269, 291, 292, 388, 438, 511, 538, 582, 584, 679, 776, 807, 876, 1022, 1076, 1164, 1358, 1533, 1614, 1752, 1883, 2037, 2044, 2152, 2328, 2716, 3066, 3228, 3766, 4074, 4088, 5432, 5649, 6132, 6456, 7081, 7532, 8148, 11298, 12264, 14162, 15064, 16296, 19637, 21243, 22596, 26093, 28324, 39274, 42486, 45192, 49567, 52186, 56648, 58911, 78279, 78548, 84972, 99134, 104372, 117822, 137459, 148701, 156558, 157096, 169944, 182651, 198268, 208744, 235644, 274918, 297402, 313116, 365302, 396536, 412377, 471288, 547953, 549836, 594804, 626232, 730604, 824754, 1095906, 1099672, 1189608, 1461208, 1649508, 1904789, 2191812, 3299016, 3809578, 4383624, 5714367, 7619156, 11428734, 13333523, 15238312, 22857468, 26667046, 40000569, 45714936, 53334092, 80001138, 106668184, 160002276, 320004552]

約数ペア:

[(1, 320004552), (2, 160002276), (3, 106668184), (4, 80001138), (6, 53334092), (7, 45714936), (8, 40000569), (12, 26667046), (14, 22857468), (21, 15238312), (24, 13333523), (28, 11428734), (42, 7619156), (56, 5714367), (73, 4383624), (84, 3809578), (97, 3299016), (146, 2191812), (168, 1904789), (194, 1649508), (219, 1461208), (269, 1189608), (291, 1099672), (292, 1095906), (388, 824754), (438, 730604), (511, 626232), (538, 594804), (582, 549836), (584, 547953), (679, 471288), (776, 412377), (807, 396536), (876, 365302), (1022, 313116), (1076, 297402), (1164, 274918), (1358, 235644), (1533, 208744), (1614, 198268), (1752, 182651), (1883, 169944), (2037, 157096), (2044, 156558), (2152, 148701), (2328, 137459), (2716, 117822), (3066, 104372), (3228, 99134), (3766, 84972), (4074, 78548), (4088, 78279), (5432, 58911), (5649, 56648), (6132, 52186), (6456, 49567), (7081, 45192), (7532, 42486), (8148, 39274), (11298, 28324), (12264, 26093), (14162, 22596), (15064, 21243), (16296, 19637)]