258259680

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{25621}}^1$

素因数の和:25649

約数の個数: 144

約数和(自身を含む): 1007252064

約数和(自身を除く): 748992384

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 25621, 51242, 76863, 102484, 128105, 153726, 179347, 204968, 230589, 256210, 307452, 358694, 384315, 409936, 461178, 512420, 538041, 614904, 717388, 768630, 819872, 896735, 922356, 1024840, 1076082, 1152945, 1229808, 1434776, 1537260, 1614123, 1793470, 1844712, 2049680, 2152164, 2305890, 2459616, 2690205, 2869552, 3074520, 3228246, 3586940, 3689424, 4099360, 4304328, 4611780, 5380410, 5739104, 6149040, 6456492, 7173880, 7378848, 8070615, 8608656, 9223560, 10760820, 12298080, 12912984, 14347760, 16141230, 17217312, 18447120, 21521640, 25825968, 28695520, 32282460, 36894240, 43043280, 51651936, 64564920, 86086560, 129129840, 258259680]

約数ペア:

[(1, 258259680), (2, 129129840), (3, 86086560), (4, 64564920), (5, 51651936), (6, 43043280), (7, 36894240), (8, 32282460), (9, 28695520), (10, 25825968), (12, 21521640), (14, 18447120), (15, 17217312), (16, 16141230), (18, 14347760), (20, 12912984), (21, 12298080), (24, 10760820), (28, 9223560), (30, 8608656), (32, 8070615), (35, 7378848), (36, 7173880), (40, 6456492), (42, 6149040), (45, 5739104), (48, 5380410), (56, 4611780), (60, 4304328), (63, 4099360), (70, 3689424), (72, 3586940), (80, 3228246), (84, 3074520), (90, 2869552), (96, 2690205), (105, 2459616), (112, 2305890), (120, 2152164), (126, 2049680), (140, 1844712), (144, 1793470), (160, 1614123), (168, 1537260), (180, 1434776), (210, 1229808), (224, 1152945), (240, 1076082), (252, 1024840), (280, 922356), (288, 896735), (315, 819872), (336, 768630), (360, 717388), (420, 614904), (480, 538041), (504, 512420), (560, 461178), (630, 409936), (672, 384315), (720, 358694), (840, 307452), (1008, 256210), (1120, 230589), (1260, 204968), (1440, 179347), (1680, 153726), (2016, 128105), (2520, 102484), (3360, 76863), (5040, 51242), (10080, 25621)]