811492740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1\times {\mathrm{383}}^1$

素因数の和:626

約数の個数: 144

約数和(自身を含む): 2515968000

約数和(自身を除く): 1704475260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 79, 90, 149, 158, 180, 237, 298, 316, 383, 395, 447, 474, 596, 711, 745, 766, 790, 894, 948, 1149, 1185, 1341, 1422, 1490, 1532, 1580, 1788, 1915, 2235, 2298, 2370, 2682, 2844, 2980, 3447, 3555, 3830, 4470, 4596, 4740, 5364, 5745, 6705, 6894, 7110, 7660, 8940, 11490, 11771, 13410, 13788, 14220, 17235, 22980, 23542, 26820, 30257, 34470, 35313, 47084, 57067, 58855, 60514, 68940, 70626, 90771, 105939, 114134, 117710, 121028, 141252, 151285, 171201, 176565, 181542, 211878, 228268, 235420, 272313, 285335, 302570, 342402, 353130, 363084, 423756, 453855, 513603, 529695, 544626, 570670, 605140, 684804, 706260, 856005, 907710, 1027206, 1059390, 1089252, 1141340, 1361565, 1712010, 1815420, 2054412, 2118780, 2568015, 2723130, 3424020, 4508293, 5136030, 5446260, 9016586, 10272060, 13524879, 18033172, 22541465, 27049758, 40574637, 45082930, 54099516, 67624395, 81149274, 90165860, 135248790, 162298548, 202873185, 270497580, 405746370, 811492740]

約数ペア:

[(1, 811492740), (2, 405746370), (3, 270497580), (4, 202873185), (5, 162298548), (6, 135248790), (9, 90165860), (10, 81149274), (12, 67624395), (15, 54099516), (18, 45082930), (20, 40574637), (30, 27049758), (36, 22541465), (45, 18033172), (60, 13524879), (79, 10272060), (90, 9016586), (149, 5446260), (158, 5136030), (180, 4508293), (237, 3424020), (298, 2723130), (316, 2568015), (383, 2118780), (395, 2054412), (447, 1815420), (474, 1712010), (596, 1361565), (711, 1141340), (745, 1089252), (766, 1059390), (790, 1027206), (894, 907710), (948, 856005), (1149, 706260), (1185, 684804), (1341, 605140), (1422, 570670), (1490, 544626), (1532, 529695), (1580, 513603), (1788, 453855), (1915, 423756), (2235, 363084), (2298, 353130), (2370, 342402), (2682, 302570), (2844, 285335), (2980, 272313), (3447, 235420), (3555, 228268), (3830, 211878), (4470, 181542), (4596, 176565), (4740, 171201), (5364, 151285), (5745, 141252), (6705, 121028), (6894, 117710), (7110, 114134), (7660, 105939), (8940, 90771), (11490, 70626), (11771, 68940), (13410, 60514), (13788, 58855), (14220, 57067), (17235, 47084), (22980, 35313), (23542, 34470), (26820, 30257)]