128502472

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:203

約数の個数: 128

約数和(自身を含む): 311040000

約数和(自身を除く): 182537528

約数列:

[1, 2, 4, 7, 8, 14, 19, 23, 28, 38, 46, 56, 59, 76, 89, 92, 118, 133, 152, 161, 178, 184, 236, 266, 322, 356, 413, 437, 472, 532, 623, 644, 712, 826, 874, 1064, 1121, 1246, 1288, 1357, 1652, 1691, 1748, 2047, 2242, 2492, 2714, 3059, 3304, 3382, 3496, 4094, 4484, 4984, 5251, 5428, 6118, 6764, 7847, 8188, 8968, 9499, 10502, 10856, 11837, 12236, 13528, 14329, 15694, 16376, 18998, 21004, 23674, 24472, 25783, 28658, 31388, 36757, 37996, 38893, 42008, 47348, 51566, 57316, 62776, 73514, 75992, 77786, 94696, 99769, 103132, 114632, 120773, 147028, 155572, 180481, 199538, 206264, 241546, 272251, 294056, 311144, 360962, 399076, 483092, 544502, 698383, 721924, 798152, 845411, 966184, 1089004, 1396766, 1443848, 1690822, 2178008, 2294687, 2793532, 3381644, 4589374, 5587064, 6763288, 9178748, 16062809, 18357496, 32125618, 64251236, 128502472]

約数ペア:

[(1, 128502472), (2, 64251236), (4, 32125618), (7, 18357496), (8, 16062809), (14, 9178748), (19, 6763288), (23, 5587064), (28, 4589374), (38, 3381644), (46, 2793532), (56, 2294687), (59, 2178008), (76, 1690822), (89, 1443848), (92, 1396766), (118, 1089004), (133, 966184), (152, 845411), (161, 798152), (178, 721924), (184, 698383), (236, 544502), (266, 483092), (322, 399076), (356, 360962), (413, 311144), (437, 294056), (472, 272251), (532, 241546), (623, 206264), (644, 199538), (712, 180481), (826, 155572), (874, 147028), (1064, 120773), (1121, 114632), (1246, 103132), (1288, 99769), (1357, 94696), (1652, 77786), (1691, 75992), (1748, 73514), (2047, 62776), (2242, 57316), (2492, 51566), (2714, 47348), (3059, 42008), (3304, 38893), (3382, 37996), (3496, 36757), (4094, 31388), (4484, 28658), (4984, 25783), (5251, 24472), (5428, 23674), (6118, 21004), (6764, 18998), (7847, 16376), (8188, 15694), (8968, 14329), (9499, 13528), (10502, 12236), (10856, 11837)]