55591020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{491}}^1$

素因数の和:560

約数の個数: 144

約数和(自身を含む): 183744288

約数和(自身を除く): 128153268

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 37, 45, 51, 60, 68, 74, 85, 90, 102, 111, 148, 153, 170, 180, 185, 204, 222, 255, 306, 333, 340, 370, 444, 491, 510, 555, 612, 629, 666, 740, 765, 982, 1020, 1110, 1258, 1332, 1473, 1530, 1665, 1887, 1964, 2220, 2455, 2516, 2946, 3060, 3145, 3330, 3774, 4419, 4910, 5661, 5892, 6290, 6660, 7365, 7548, 8347, 8838, 9435, 9820, 11322, 12580, 14730, 16694, 17676, 18167, 18870, 22095, 22644, 25041, 28305, 29460, 33388, 36334, 37740, 41735, 44190, 50082, 54501, 56610, 72668, 75123, 83470, 88380, 90835, 100164, 109002, 113220, 125205, 150246, 163503, 166940, 181670, 218004, 250410, 272505, 300492, 308839, 327006, 363340, 375615, 500820, 545010, 617678, 654012, 751230, 817515, 926517, 1090020, 1235356, 1502460, 1544195, 1635030, 1853034, 2779551, 3088390, 3270060, 3706068, 4632585, 5559102, 6176780, 9265170, 11118204, 13897755, 18530340, 27795510, 55591020]

約数ペア:

[(1, 55591020), (2, 27795510), (3, 18530340), (4, 13897755), (5, 11118204), (6, 9265170), (9, 6176780), (10, 5559102), (12, 4632585), (15, 3706068), (17, 3270060), (18, 3088390), (20, 2779551), (30, 1853034), (34, 1635030), (36, 1544195), (37, 1502460), (45, 1235356), (51, 1090020), (60, 926517), (68, 817515), (74, 751230), (85, 654012), (90, 617678), (102, 545010), (111, 500820), (148, 375615), (153, 363340), (170, 327006), (180, 308839), (185, 300492), (204, 272505), (222, 250410), (255, 218004), (306, 181670), (333, 166940), (340, 163503), (370, 150246), (444, 125205), (491, 113220), (510, 109002), (555, 100164), (612, 90835), (629, 88380), (666, 83470), (740, 75123), (765, 72668), (982, 56610), (1020, 54501), (1110, 50082), (1258, 44190), (1332, 41735), (1473, 37740), (1530, 36334), (1665, 33388), (1887, 29460), (1964, 28305), (2220, 25041), (2455, 22644), (2516, 22095), (2946, 18870), (3060, 18167), (3145, 17676), (3330, 16694), (3774, 14730), (4419, 12580), (4910, 11322), (5661, 9820), (5892, 9435), (6290, 8838), (6660, 8347), (7365, 7548)]