255606780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^3$

素因数の和:129

約数の個数: 192

約数和(自身を含む): 868847616

約数和(自身を除く): 613240836

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 13, 15, 20, 22, 26, 30, 31, 33, 39, 44, 52, 55, 60, 62, 65, 66, 78, 93, 110, 124, 130, 132, 143, 155, 156, 165, 186, 195, 220, 260, 286, 310, 330, 341, 372, 390, 403, 429, 465, 572, 620, 660, 682, 715, 780, 806, 858, 930, 961, 1023, 1209, 1364, 1430, 1612, 1705, 1716, 1860, 1922, 2015, 2046, 2145, 2418, 2860, 2883, 3410, 3844, 4030, 4092, 4290, 4433, 4805, 4836, 5115, 5766, 6045, 6820, 8060, 8580, 8866, 9610, 10230, 10571, 11532, 12090, 12493, 13299, 14415, 17732, 19220, 20460, 21142, 22165, 24180, 24986, 26598, 28830, 29791, 31713, 37479, 42284, 44330, 49972, 52855, 53196, 57660, 59582, 62465, 63426, 66495, 74958, 88660, 89373, 105710, 119164, 124930, 126852, 132990, 137423, 148955, 149916, 158565, 178746, 187395, 211420, 249860, 265980, 274846, 297910, 317130, 327701, 357492, 374790, 387283, 412269, 446865, 549692, 595820, 634260, 655402, 687115, 749580, 774566, 824538, 893730, 983103, 1161849, 1310804, 1374230, 1549132, 1638505, 1649076, 1787460, 1936415, 1966206, 2061345, 2323698, 2748460, 3277010, 3872830, 3932412, 4122690, 4260113, 4647396, 4915515, 5809245, 6554020, 7745660, 8245380, 8520226, 9831030, 11618490, 12780339, 17040452, 19662060, 21300565, 23236980, 25560678, 42601130, 51121356, 63901695, 85202260, 127803390, 255606780]

約数ペア:

[(1, 255606780), (2, 127803390), (3, 85202260), (4, 63901695), (5, 51121356), (6, 42601130), (10, 25560678), (11, 23236980), (12, 21300565), (13, 19662060), (15, 17040452), (20, 12780339), (22, 11618490), (26, 9831030), (30, 8520226), (31, 8245380), (33, 7745660), (39, 6554020), (44, 5809245), (52, 4915515), (55, 4647396), (60, 4260113), (62, 4122690), (65, 3932412), (66, 3872830), (78, 3277010), (93, 2748460), (110, 2323698), (124, 2061345), (130, 1966206), (132, 1936415), (143, 1787460), (155, 1649076), (156, 1638505), (165, 1549132), (186, 1374230), (195, 1310804), (220, 1161849), (260, 983103), (286, 893730), (310, 824538), (330, 774566), (341, 749580), (372, 687115), (390, 655402), (403, 634260), (429, 595820), (465, 549692), (572, 446865), (620, 412269), (660, 387283), (682, 374790), (715, 357492), (780, 327701), (806, 317130), (858, 297910), (930, 274846), (961, 265980), (1023, 249860), (1209, 211420), (1364, 187395), (1430, 178746), (1612, 158565), (1705, 149916), (1716, 148955), (1860, 137423), (1922, 132990), (2015, 126852), (2046, 124930), (2145, 119164), (2418, 105710), (2860, 89373), (2883, 88660), (3410, 74958), (3844, 66495), (4030, 63426), (4092, 62465), (4290, 59582), (4433, 57660), (4805, 53196), (4836, 52855), (5115, 49972), (5766, 44330), (6045, 42284), (6820, 37479), (8060, 31713), (8580, 29791), (8866, 28830), (9610, 26598), (10230, 24986), (10571, 24180), (11532, 22165), (12090, 21142), (12493, 20460), (13299, 19220), (14415, 17732)]