68940720

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{10639}}^1$

素因数の和:10664

約数の個数: 100

約数和(自身を含む): 239463840

約数和(自身を除く): 170523120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 270, 324, 360, 405, 432, 540, 648, 720, 810, 1080, 1296, 1620, 2160, 3240, 6480, 10639, 21278, 31917, 42556, 53195, 63834, 85112, 95751, 106390, 127668, 159585, 170224, 191502, 212780, 255336, 287253, 319170, 383004, 425560, 478755, 510672, 574506, 638340, 766008, 851120, 861759, 957510, 1149012, 1276680, 1436265, 1532016, 1723518, 1915020, 2298024, 2553360, 2872530, 3447036, 3830040, 4308795, 4596048, 5745060, 6894072, 7660080, 8617590, 11490120, 13788144, 17235180, 22980240, 34470360, 68940720]

約数ペア:

[(1, 68940720), (2, 34470360), (3, 22980240), (4, 17235180), (5, 13788144), (6, 11490120), (8, 8617590), (9, 7660080), (10, 6894072), (12, 5745060), (15, 4596048), (16, 4308795), (18, 3830040), (20, 3447036), (24, 2872530), (27, 2553360), (30, 2298024), (36, 1915020), (40, 1723518), (45, 1532016), (48, 1436265), (54, 1276680), (60, 1149012), (72, 957510), (80, 861759), (81, 851120), (90, 766008), (108, 638340), (120, 574506), (135, 510672), (144, 478755), (162, 425560), (180, 383004), (216, 319170), (240, 287253), (270, 255336), (324, 212780), (360, 191502), (405, 170224), (432, 159585), (540, 127668), (648, 106390), (720, 95751), (810, 85112), (1080, 63834), (1296, 53195), (1620, 42556), (2160, 31917), (3240, 21278), (6480, 10639)]