251423760

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1373}}^1$

素因数の和:1505

約数の個数: 160

約数和(自身を含む): 899585280

約数和(自身を除く): 648161520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 109, 112, 120, 140, 168, 210, 218, 240, 280, 327, 336, 420, 436, 545, 560, 654, 763, 840, 872, 1090, 1308, 1373, 1526, 1635, 1680, 1744, 2180, 2289, 2616, 2746, 3052, 3270, 3815, 4119, 4360, 4578, 5232, 5492, 6104, 6540, 6865, 7630, 8238, 8720, 9156, 9611, 10984, 11445, 12208, 13080, 13730, 15260, 16476, 18312, 19222, 20595, 21968, 22890, 26160, 27460, 28833, 30520, 32952, 36624, 38444, 41190, 45780, 48055, 54920, 57666, 61040, 65904, 76888, 82380, 91560, 96110, 109840, 115332, 144165, 149657, 153776, 164760, 183120, 192220, 230664, 288330, 299314, 329520, 384440, 448971, 461328, 576660, 598628, 748285, 768880, 897942, 1047599, 1153320, 1197256, 1496570, 1795884, 2095198, 2244855, 2306640, 2394512, 2993140, 3142797, 3591768, 4190396, 4489710, 5237995, 5986280, 6285594, 7183536, 8380792, 8979420, 10475990, 11972560, 12571188, 15713985, 16761584, 17958840, 20951980, 25142376, 31427970, 35917680, 41903960, 50284752, 62855940, 83807920, 125711880, 251423760]

約数ペア:

[(1, 251423760), (2, 125711880), (3, 83807920), (4, 62855940), (5, 50284752), (6, 41903960), (7, 35917680), (8, 31427970), (10, 25142376), (12, 20951980), (14, 17958840), (15, 16761584), (16, 15713985), (20, 12571188), (21, 11972560), (24, 10475990), (28, 8979420), (30, 8380792), (35, 7183536), (40, 6285594), (42, 5986280), (48, 5237995), (56, 4489710), (60, 4190396), (70, 3591768), (80, 3142797), (84, 2993140), (105, 2394512), (109, 2306640), (112, 2244855), (120, 2095198), (140, 1795884), (168, 1496570), (210, 1197256), (218, 1153320), (240, 1047599), (280, 897942), (327, 768880), (336, 748285), (420, 598628), (436, 576660), (545, 461328), (560, 448971), (654, 384440), (763, 329520), (840, 299314), (872, 288330), (1090, 230664), (1308, 192220), (1373, 183120), (1526, 164760), (1635, 153776), (1680, 149657), (1744, 144165), (2180, 115332), (2289, 109840), (2616, 96110), (2746, 91560), (3052, 82380), (3270, 76888), (3815, 65904), (4119, 61040), (4360, 57666), (4578, 54920), (5232, 48055), (5492, 45780), (6104, 41190), (6540, 38444), (6865, 36624), (7630, 32952), (8238, 30520), (8720, 28833), (9156, 27460), (9611, 26160), (10984, 22890), (11445, 21968), (12208, 20595), (13080, 19222), (13730, 18312), (15260, 16476)]