216646920

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{28657}}^1$

素因数の和:28684

約数の個数: 128

約数和(自身を含む): 825350400

約数和(自身を除く): 608703480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 3780, 7560, 28657, 57314, 85971, 114628, 143285, 171942, 200599, 229256, 257913, 286570, 343884, 401198, 429855, 515826, 573140, 601797, 687768, 773739, 802396, 859710, 1002995, 1031652, 1146280, 1203594, 1289565, 1547478, 1604792, 1719420, 1805391, 2005990, 2063304, 2407188, 2579130, 3008985, 3094956, 3438840, 3610782, 3868695, 4011980, 4814376, 5158260, 5416173, 6017970, 6189912, 7221564, 7737390, 8023960, 9026955, 10316520, 10832346, 12035940, 14443128, 15474780, 18053910, 21664692, 24071880, 27080865, 30949560, 36107820, 43329384, 54161730, 72215640, 108323460, 216646920]

約数ペア:

[(1, 216646920), (2, 108323460), (3, 72215640), (4, 54161730), (5, 43329384), (6, 36107820), (7, 30949560), (8, 27080865), (9, 24071880), (10, 21664692), (12, 18053910), (14, 15474780), (15, 14443128), (18, 12035940), (20, 10832346), (21, 10316520), (24, 9026955), (27, 8023960), (28, 7737390), (30, 7221564), (35, 6189912), (36, 6017970), (40, 5416173), (42, 5158260), (45, 4814376), (54, 4011980), (56, 3868695), (60, 3610782), (63, 3438840), (70, 3094956), (72, 3008985), (84, 2579130), (90, 2407188), (105, 2063304), (108, 2005990), (120, 1805391), (126, 1719420), (135, 1604792), (140, 1547478), (168, 1289565), (180, 1203594), (189, 1146280), (210, 1031652), (216, 1002995), (252, 859710), (270, 802396), (280, 773739), (315, 687768), (360, 601797), (378, 573140), (420, 515826), (504, 429855), (540, 401198), (630, 343884), (756, 286570), (840, 257913), (945, 229256), (1080, 200599), (1260, 171942), (1512, 143285), (1890, 114628), (2520, 85971), (3780, 57314), (7560, 28657)]