278301420

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{4643}}^1$

素因数の和:4701

約数の個数: 120

約数和(自身を含む): 896830704

約数和(自身を除く): 618529284

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 37, 45, 54, 60, 74, 81, 90, 108, 111, 135, 148, 162, 180, 185, 222, 270, 324, 333, 370, 405, 444, 540, 555, 666, 740, 810, 999, 1110, 1332, 1620, 1665, 1998, 2220, 2997, 3330, 3996, 4643, 4995, 5994, 6660, 9286, 9990, 11988, 13929, 14985, 18572, 19980, 23215, 27858, 29970, 41787, 46430, 55716, 59940, 69645, 83574, 92860, 125361, 139290, 167148, 171791, 208935, 250722, 278580, 343582, 376083, 417870, 501444, 515373, 626805, 687164, 752166, 835740, 858955, 1030746, 1253610, 1504332, 1546119, 1717910, 1880415, 2061492, 2507220, 2576865, 3092238, 3435820, 3760830, 4638357, 5153730, 6184476, 7521660, 7730595, 9276714, 10307460, 13915071, 15461190, 18553428, 23191785, 27830142, 30922380, 46383570, 55660284, 69575355, 92767140, 139150710, 278301420]

約数ペア:

[(1, 278301420), (2, 139150710), (3, 92767140), (4, 69575355), (5, 55660284), (6, 46383570), (9, 30922380), (10, 27830142), (12, 23191785), (15, 18553428), (18, 15461190), (20, 13915071), (27, 10307460), (30, 9276714), (36, 7730595), (37, 7521660), (45, 6184476), (54, 5153730), (60, 4638357), (74, 3760830), (81, 3435820), (90, 3092238), (108, 2576865), (111, 2507220), (135, 2061492), (148, 1880415), (162, 1717910), (180, 1546119), (185, 1504332), (222, 1253610), (270, 1030746), (324, 858955), (333, 835740), (370, 752166), (405, 687164), (444, 626805), (540, 515373), (555, 501444), (666, 417870), (740, 376083), (810, 343582), (999, 278580), (1110, 250722), (1332, 208935), (1620, 171791), (1665, 167148), (1998, 139290), (2220, 125361), (2997, 92860), (3330, 83574), (3996, 69645), (4643, 59940), (4995, 55716), (5994, 46430), (6660, 41787), (9286, 29970), (9990, 27858), (11988, 23215), (13929, 19980), (14985, 18572)]