20251281720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{167}}^1\times {\mathrm{331}}^1$

素因数の和:626

約数の個数: 256

約数和(自身を含む): 63611412480

約数和(自身を除く): 43360130760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 71, 86, 120, 129, 142, 167, 172, 213, 215, 258, 284, 331, 334, 344, 355, 426, 430, 501, 516, 568, 645, 662, 668, 710, 835, 852, 860, 993, 1002, 1032, 1065, 1290, 1324, 1336, 1420, 1655, 1670, 1704, 1720, 1986, 2004, 2130, 2505, 2580, 2648, 2840, 3053, 3310, 3340, 3972, 4008, 4260, 4965, 5010, 5160, 6106, 6620, 6680, 7181, 7944, 8520, 9159, 9930, 10020, 11857, 12212, 13240, 14233, 14362, 15265, 18318, 19860, 20040, 21543, 23501, 23714, 24424, 28466, 28724, 30530, 35571, 35905, 36636, 39720, 42699, 43086, 45795, 47002, 47428, 55277, 56932, 57448, 59285, 61060, 70503, 71142, 71165, 71810, 73272, 85398, 86172, 91590, 94004, 94856, 107715, 110554, 113864, 117505, 118570, 122120, 141006, 142284, 142330, 143620, 165831, 170796, 172344, 177855, 183180, 188008, 213495, 215430, 221108, 235010, 237140, 276385, 282012, 284568, 284660, 287240, 331662, 341592, 352515, 355710, 366360, 426990, 430860, 442216, 470020, 474280, 509851, 552770, 564024, 569320, 663324, 705030, 711420, 829155, 853980, 861720, 940040, 1010543, 1019702, 1105540, 1326648, 1410060, 1422840, 1529553, 1658310, 1707960, 2021086, 2039404, 2211080, 2376911, 2549255, 2820120, 3031629, 3059106, 3316620, 3924667, 4042172, 4078808, 4753822, 5052715, 5098510, 6063258, 6118212, 6633240, 7130733, 7647765, 7849334, 8084344, 9507644, 10105430, 10197020, 11774001, 11884555, 12126516, 12236424, 14261466, 15158145, 15295530, 15698668, 19015288, 19623335, 20210860, 20394040, 23548002, 23769110, 24253032, 28522932, 30316290, 30591060, 31397336, 35653665, 39246670, 40421720, 47096004, 47538220, 57045864, 58870005, 60632580, 61182120, 71307330, 78493340, 94192008, 95076440, 117740010, 121265160, 142614660, 156986680, 168760681, 235480020, 285229320, 337521362, 470960040, 506282043, 675042724, 843803405, 1012564086, 1350085448, 1687606810, 2025128172, 2531410215, 3375213620, 4050256344, 5062820430, 6750427240, 10125640860, 20251281720]

約数ペア:

[(1, 20251281720), (2, 10125640860), (3, 6750427240), (4, 5062820430), (5, 4050256344), (6, 3375213620), (8, 2531410215), (10, 2025128172), (12, 1687606810), (15, 1350085448), (20, 1012564086), (24, 843803405), (30, 675042724), (40, 506282043), (43, 470960040), (60, 337521362), (71, 285229320), (86, 235480020), (120, 168760681), (129, 156986680), (142, 142614660), (167, 121265160), (172, 117740010), (213, 95076440), (215, 94192008), (258, 78493340), (284, 71307330), (331, 61182120), (334, 60632580), (344, 58870005), (355, 57045864), (426, 47538220), (430, 47096004), (501, 40421720), (516, 39246670), (568, 35653665), (645, 31397336), (662, 30591060), (668, 30316290), (710, 28522932), (835, 24253032), (852, 23769110), (860, 23548002), (993, 20394040), (1002, 20210860), (1032, 19623335), (1065, 19015288), (1290, 15698668), (1324, 15295530), (1336, 15158145), (1420, 14261466), (1655, 12236424), (1670, 12126516), (1704, 11884555), (1720, 11774001), (1986, 10197020), (2004, 10105430), (2130, 9507644), (2505, 8084344), (2580, 7849334), (2648, 7647765), (2840, 7130733), (3053, 6633240), (3310, 6118212), (3340, 6063258), (3972, 5098510), (4008, 5052715), (4260, 4753822), (4965, 4078808), (5010, 4042172), (5160, 3924667), (6106, 3316620), (6620, 3059106), (6680, 3031629), (7181, 2820120), (7944, 2549255), (8520, 2376911), (9159, 2211080), (9930, 2039404), (10020, 2021086), (11857, 1707960), (12212, 1658310), (13240, 1529553), (14233, 1422840), (14362, 1410060), (15265, 1326648), (18318, 1105540), (19860, 1019702), (20040, 1010543), (21543, 940040), (23501, 861720), (23714, 853980), (24424, 829155), (28466, 711420), (28724, 705030), (30530, 663324), (35571, 569320), (35905, 564024), (36636, 552770), (39720, 509851), (42699, 474280), (43086, 470020), (45795, 442216), (47002, 430860), (47428, 426990), (55277, 366360), (56932, 355710), (57448, 352515), (59285, 341592), (61060, 331662), (70503, 287240), (71142, 284660), (71165, 284568), (71810, 282012), (73272, 276385), (85398, 237140), (86172, 235010), (91590, 221108), (94004, 215430), (94856, 213495), (107715, 188008), (110554, 183180), (113864, 177855), (117505, 172344), (118570, 170796), (122120, 165831), (141006, 143620), (142284, 142330)]