15691265660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{223}}^1\times {\mathrm{523}}^1$

素因数の和:824

約数の個数: 144

約数和(自身を含む): 39162267648

約数和(自身を除く): 23471001988

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 223, 310, 434, 446, 523, 620, 868, 892, 961, 1046, 1085, 1115, 1561, 1922, 2092, 2170, 2230, 2615, 3122, 3661, 3844, 4340, 4460, 4805, 5230, 6244, 6727, 6913, 7322, 7805, 9610, 10460, 13454, 13826, 14644, 15610, 16213, 18305, 19220, 26908, 27652, 31220, 32426, 33635, 34565, 36610, 48391, 64852, 67270, 69130, 73220, 81065, 96782, 113491, 116629, 134540, 138260, 162130, 193564, 214303, 226982, 233258, 241955, 324260, 428606, 453964, 466516, 483910, 502603, 567455, 583145, 816403, 857212, 967820, 1005206, 1071515, 1134910, 1166290, 1500121, 1632806, 2010412, 2143030, 2269820, 2332580, 2513015, 3000242, 3265612, 3518221, 3615499, 4082015, 4286060, 5026030, 6000484, 7036442, 7230998, 7500605, 8164030, 10052060, 14072884, 14461996, 15001210, 16328060, 17591105, 18077495, 25308493, 30002420, 35182210, 36154990, 50616986, 70364420, 72309980, 101233972, 112080469, 126542465, 224160938, 253084930, 448321876, 506169860, 560402345, 784563283, 1120804690, 1569126566, 2241609380, 3138253132, 3922816415, 7845632830, 15691265660]

約数ペア:

[(1, 15691265660), (2, 7845632830), (4, 3922816415), (5, 3138253132), (7, 2241609380), (10, 1569126566), (14, 1120804690), (20, 784563283), (28, 560402345), (31, 506169860), (35, 448321876), (62, 253084930), (70, 224160938), (124, 126542465), (140, 112080469), (155, 101233972), (217, 72309980), (223, 70364420), (310, 50616986), (434, 36154990), (446, 35182210), (523, 30002420), (620, 25308493), (868, 18077495), (892, 17591105), (961, 16328060), (1046, 15001210), (1085, 14461996), (1115, 14072884), (1561, 10052060), (1922, 8164030), (2092, 7500605), (2170, 7230998), (2230, 7036442), (2615, 6000484), (3122, 5026030), (3661, 4286060), (3844, 4082015), (4340, 3615499), (4460, 3518221), (4805, 3265612), (5230, 3000242), (6244, 2513015), (6727, 2332580), (6913, 2269820), (7322, 2143030), (7805, 2010412), (9610, 1632806), (10460, 1500121), (13454, 1166290), (13826, 1134910), (14644, 1071515), (15610, 1005206), (16213, 967820), (18305, 857212), (19220, 816403), (26908, 583145), (27652, 567455), (31220, 502603), (32426, 483910), (33635, 466516), (34565, 453964), (36610, 428606), (48391, 324260), (64852, 241955), (67270, 233258), (69130, 226982), (73220, 214303), (81065, 193564), (96782, 162130), (113491, 138260), (116629, 134540)]