217263480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{13613}}^1$

素因数の和:13653

約数の個数: 128

約数和(自身を含む): 784166400

約数和(自身を除く): 566902920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 56, 57, 60, 70, 76, 84, 95, 105, 114, 120, 133, 140, 152, 168, 190, 210, 228, 266, 280, 285, 380, 399, 420, 456, 532, 570, 665, 760, 798, 840, 1064, 1140, 1330, 1596, 1995, 2280, 2660, 3192, 3990, 5320, 7980, 13613, 15960, 27226, 40839, 54452, 68065, 81678, 95291, 108904, 136130, 163356, 190582, 204195, 258647, 272260, 285873, 326712, 381164, 408390, 476455, 517294, 544520, 571746, 762328, 775941, 816780, 952910, 1034588, 1143492, 1293235, 1429365, 1551882, 1633560, 1810529, 1905820, 2069176, 2286984, 2586470, 2858730, 3103764, 3621058, 3811640, 3879705, 5172940, 5431587, 5717460, 6207528, 7242116, 7759410, 9052645, 10345880, 10863174, 11434920, 14484232, 15518820, 18105290, 21726348, 27157935, 31037640, 36210580, 43452696, 54315870, 72421160, 108631740, 217263480]

約数ペア:

[(1, 217263480), (2, 108631740), (3, 72421160), (4, 54315870), (5, 43452696), (6, 36210580), (7, 31037640), (8, 27157935), (10, 21726348), (12, 18105290), (14, 15518820), (15, 14484232), (19, 11434920), (20, 10863174), (21, 10345880), (24, 9052645), (28, 7759410), (30, 7242116), (35, 6207528), (38, 5717460), (40, 5431587), (42, 5172940), (56, 3879705), (57, 3811640), (60, 3621058), (70, 3103764), (76, 2858730), (84, 2586470), (95, 2286984), (105, 2069176), (114, 1905820), (120, 1810529), (133, 1633560), (140, 1551882), (152, 1429365), (168, 1293235), (190, 1143492), (210, 1034588), (228, 952910), (266, 816780), (280, 775941), (285, 762328), (380, 571746), (399, 544520), (420, 517294), (456, 476455), (532, 408390), (570, 381164), (665, 326712), (760, 285873), (798, 272260), (840, 258647), (1064, 204195), (1140, 190582), (1330, 163356), (1596, 136130), (1995, 108904), (2280, 95291), (2660, 81678), (3192, 68065), (3990, 54452), (5320, 40839), (7980, 27226), (13613, 15960)]