813528040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{463}}^1$

素因数の和:627

約数の個数: 128

約数和(自身を含む): 2057932800

約数和(自身を除く): 1244404760

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 109, 124, 130, 155, 218, 248, 260, 310, 403, 436, 463, 520, 545, 620, 806, 872, 926, 1090, 1240, 1417, 1612, 1852, 2015, 2180, 2315, 2834, 3224, 3379, 3704, 4030, 4360, 4630, 5668, 6019, 6758, 7085, 8060, 9260, 11336, 12038, 13516, 14170, 14353, 16120, 16895, 18520, 24076, 27032, 28340, 28706, 30095, 33790, 43927, 48152, 50467, 56680, 57412, 60190, 67580, 71765, 87854, 100934, 114824, 120380, 135160, 143530, 175708, 186589, 201868, 219635, 240760, 252335, 287060, 351416, 373178, 403736, 439270, 504670, 574120, 656071, 746356, 878540, 932945, 1009340, 1312142, 1492712, 1564477, 1757080, 1865890, 2018680, 2624284, 3128954, 3280355, 3731780, 5248568, 6257908, 6560710, 7463560, 7822385, 12515816, 13121420, 15644770, 20338201, 26242840, 31289540, 40676402, 62579080, 81352804, 101691005, 162705608, 203382010, 406764020, 813528040]

約数ペア:

[(1, 813528040), (2, 406764020), (4, 203382010), (5, 162705608), (8, 101691005), (10, 81352804), (13, 62579080), (20, 40676402), (26, 31289540), (31, 26242840), (40, 20338201), (52, 15644770), (62, 13121420), (65, 12515816), (104, 7822385), (109, 7463560), (124, 6560710), (130, 6257908), (155, 5248568), (218, 3731780), (248, 3280355), (260, 3128954), (310, 2624284), (403, 2018680), (436, 1865890), (463, 1757080), (520, 1564477), (545, 1492712), (620, 1312142), (806, 1009340), (872, 932945), (926, 878540), (1090, 746356), (1240, 656071), (1417, 574120), (1612, 504670), (1852, 439270), (2015, 403736), (2180, 373178), (2315, 351416), (2834, 287060), (3224, 252335), (3379, 240760), (3704, 219635), (4030, 201868), (4360, 186589), (4630, 175708), (5668, 143530), (6019, 135160), (6758, 120380), (7085, 114824), (8060, 100934), (9260, 87854), (11336, 71765), (12038, 67580), (13516, 60190), (14170, 57412), (14353, 56680), (16120, 50467), (16895, 48152), (18520, 43927), (24076, 33790), (27032, 30095), (28340, 28706)]