290529720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20693}}^1$

素因数の和:20726

約数の個数: 128

約数和(自身を含む): 1042977600

約数和(自身を除く): 752447880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 52, 54, 60, 65, 72, 78, 90, 104, 108, 117, 120, 130, 135, 156, 180, 195, 216, 234, 260, 270, 312, 351, 360, 390, 468, 520, 540, 585, 702, 780, 936, 1080, 1170, 1404, 1560, 1755, 2340, 2808, 3510, 4680, 7020, 14040, 20693, 41386, 62079, 82772, 103465, 124158, 165544, 186237, 206930, 248316, 269009, 310395, 372474, 413860, 496632, 538018, 558711, 620790, 744948, 807027, 827720, 931185, 1076036, 1117422, 1241580, 1345045, 1489896, 1614054, 1862370, 2152072, 2234844, 2421081, 2483160, 2690090, 2793555, 3228108, 3724740, 4035135, 4469688, 4842162, 5380180, 5587110, 6456216, 7263243, 7449480, 8070270, 9684324, 10760360, 11174220, 12105405, 14526486, 16140540, 19368648, 22348440, 24210810, 29052972, 32281080, 36316215, 48421620, 58105944, 72632430, 96843240, 145264860, 290529720]

約数ペア:

[(1, 290529720), (2, 145264860), (3, 96843240), (4, 72632430), (5, 58105944), (6, 48421620), (8, 36316215), (9, 32281080), (10, 29052972), (12, 24210810), (13, 22348440), (15, 19368648), (18, 16140540), (20, 14526486), (24, 12105405), (26, 11174220), (27, 10760360), (30, 9684324), (36, 8070270), (39, 7449480), (40, 7263243), (45, 6456216), (52, 5587110), (54, 5380180), (60, 4842162), (65, 4469688), (72, 4035135), (78, 3724740), (90, 3228108), (104, 2793555), (108, 2690090), (117, 2483160), (120, 2421081), (130, 2234844), (135, 2152072), (156, 1862370), (180, 1614054), (195, 1489896), (216, 1345045), (234, 1241580), (260, 1117422), (270, 1076036), (312, 931185), (351, 827720), (360, 807027), (390, 744948), (468, 620790), (520, 558711), (540, 538018), (585, 496632), (702, 413860), (780, 372474), (936, 310395), (1080, 269009), (1170, 248316), (1404, 206930), (1560, 186237), (1755, 165544), (2340, 124158), (2808, 103465), (3510, 82772), (4680, 62079), (7020, 41386), (14040, 20693)]