128608416

素因数分解:

$2^5\times 3^2\times {\mathrm{19}}^2\times {\mathrm{1237}}^1$

素因数の和:1291

約数の個数: 108

約数和(自身を含む): 386304282

約数和(自身を除く): 257695866

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 38, 48, 57, 72, 76, 96, 114, 144, 152, 171, 228, 288, 304, 342, 361, 456, 608, 684, 722, 912, 1083, 1237, 1368, 1444, 1824, 2166, 2474, 2736, 2888, 3249, 3711, 4332, 4948, 5472, 5776, 6498, 7422, 8664, 9896, 11133, 11552, 12996, 14844, 17328, 19792, 22266, 23503, 25992, 29688, 34656, 39584, 44532, 47006, 51984, 59376, 70509, 89064, 94012, 103968, 118752, 141018, 178128, 188024, 211527, 282036, 356256, 376048, 423054, 446557, 564072, 752096, 846108, 893114, 1128144, 1339671, 1692216, 1786228, 2256288, 2679342, 3384432, 3572456, 4019013, 5358684, 6768864, 7144912, 8038026, 10717368, 14289824, 16076052, 21434736, 32152104, 42869472, 64304208, 128608416]

約数ペア:

[(1, 128608416), (2, 64304208), (3, 42869472), (4, 32152104), (6, 21434736), (8, 16076052), (9, 14289824), (12, 10717368), (16, 8038026), (18, 7144912), (19, 6768864), (24, 5358684), (32, 4019013), (36, 3572456), (38, 3384432), (48, 2679342), (57, 2256288), (72, 1786228), (76, 1692216), (96, 1339671), (114, 1128144), (144, 893114), (152, 846108), (171, 752096), (228, 564072), (288, 446557), (304, 423054), (342, 376048), (361, 356256), (456, 282036), (608, 211527), (684, 188024), (722, 178128), (912, 141018), (1083, 118752), (1237, 103968), (1368, 94012), (1444, 89064), (1824, 70509), (2166, 59376), (2474, 51984), (2736, 47006), (2888, 44532), (3249, 39584), (3711, 34656), (4332, 29688), (4948, 25992), (5472, 23503), (5776, 22266), (6498, 19792), (7422, 17328), (8664, 14844), (9896, 12996), (11133, 11552)]