820268280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{3307}}^1$

素因数の和:3390

約数の個数: 192

約数和(自身を含む): 2925992160

約数和(自身を除く): 2105723880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 53, 60, 65, 72, 78, 90, 104, 106, 117, 120, 130, 156, 159, 180, 195, 212, 234, 260, 265, 312, 318, 360, 390, 424, 468, 477, 520, 530, 585, 636, 689, 780, 795, 936, 954, 1060, 1170, 1272, 1378, 1560, 1590, 1908, 2067, 2120, 2340, 2385, 2756, 3180, 3307, 3445, 3816, 4134, 4680, 4770, 5512, 6201, 6360, 6614, 6890, 8268, 9540, 9921, 10335, 12402, 13228, 13780, 16535, 16536, 19080, 19842, 20670, 24804, 26456, 27560, 29763, 31005, 33070, 39684, 41340, 42991, 49605, 49608, 59526, 62010, 66140, 79368, 82680, 85982, 99210, 119052, 124020, 128973, 132280, 148815, 171964, 175271, 198420, 214955, 238104, 248040, 257946, 297630, 343928, 350542, 386919, 396840, 429910, 515892, 525813, 595260, 644865, 701084, 773838, 859820, 876355, 1031784, 1051626, 1190520, 1289730, 1402168, 1547676, 1577439, 1719640, 1752710, 1934595, 2103252, 2278523, 2579460, 2629065, 3095352, 3154878, 3505420, 3869190, 4206504, 4557046, 5158920, 5258130, 6309756, 6835569, 7010840, 7738380, 7887195, 9114092, 10516260, 11392615, 12619512, 13671138, 15476760, 15774390, 18228184, 20506707, 21032520, 22785230, 27342276, 31548780, 34177845, 41013414, 45570460, 54684552, 63097560, 68355690, 82026828, 91140920, 102533535, 136711380, 164053656, 205067070, 273422760, 410134140, 820268280]

約数ペア:

[(1, 820268280), (2, 410134140), (3, 273422760), (4, 205067070), (5, 164053656), (6, 136711380), (8, 102533535), (9, 91140920), (10, 82026828), (12, 68355690), (13, 63097560), (15, 54684552), (18, 45570460), (20, 41013414), (24, 34177845), (26, 31548780), (30, 27342276), (36, 22785230), (39, 21032520), (40, 20506707), (45, 18228184), (52, 15774390), (53, 15476760), (60, 13671138), (65, 12619512), (72, 11392615), (78, 10516260), (90, 9114092), (104, 7887195), (106, 7738380), (117, 7010840), (120, 6835569), (130, 6309756), (156, 5258130), (159, 5158920), (180, 4557046), (195, 4206504), (212, 3869190), (234, 3505420), (260, 3154878), (265, 3095352), (312, 2629065), (318, 2579460), (360, 2278523), (390, 2103252), (424, 1934595), (468, 1752710), (477, 1719640), (520, 1577439), (530, 1547676), (585, 1402168), (636, 1289730), (689, 1190520), (780, 1051626), (795, 1031784), (936, 876355), (954, 859820), (1060, 773838), (1170, 701084), (1272, 644865), (1378, 595260), (1560, 525813), (1590, 515892), (1908, 429910), (2067, 396840), (2120, 386919), (2340, 350542), (2385, 343928), (2756, 297630), (3180, 257946), (3307, 248040), (3445, 238104), (3816, 214955), (4134, 198420), (4680, 175271), (4770, 171964), (5512, 148815), (6201, 132280), (6360, 128973), (6614, 124020), (6890, 119052), (8268, 99210), (9540, 85982), (9921, 82680), (10335, 79368), (12402, 66140), (13228, 62010), (13780, 59526), (16535, 49608), (16536, 49605), (19080, 42991), (19842, 41340), (20670, 39684), (24804, 33070), (26456, 31005), (27560, 29763)]