421211760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1301}}^1$

素因数の和:1407

約数の個数: 160

約数和(自身を含む): 1394910720

約数和(自身を除く): 973698960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 71, 76, 80, 95, 114, 120, 142, 152, 190, 213, 228, 240, 284, 285, 304, 355, 380, 426, 456, 568, 570, 710, 760, 852, 912, 1065, 1136, 1140, 1301, 1349, 1420, 1520, 1704, 2130, 2280, 2602, 2698, 2840, 3408, 3903, 4047, 4260, 4560, 5204, 5396, 5680, 6505, 6745, 7806, 8094, 8520, 10408, 10792, 13010, 13490, 15612, 16188, 17040, 19515, 20235, 20816, 21584, 24719, 26020, 26980, 31224, 32376, 39030, 40470, 49438, 52040, 53960, 62448, 64752, 74157, 78060, 80940, 92371, 98876, 104080, 107920, 123595, 148314, 156120, 161880, 184742, 197752, 247190, 277113, 296628, 312240, 323760, 369484, 370785, 395504, 461855, 494380, 554226, 593256, 738968, 741570, 923710, 988760, 1108452, 1186512, 1385565, 1477936, 1483140, 1755049, 1847420, 1977520, 2216904, 2771130, 2966280, 3510098, 3694840, 4433808, 5265147, 5542260, 5932560, 7020196, 7389680, 8775245, 10530294, 11084520, 14040392, 17550490, 21060588, 22169040, 26325735, 28080784, 35100980, 42121176, 52651470, 70201960, 84242352, 105302940, 140403920, 210605880, 421211760]

約数ペア:

[(1, 421211760), (2, 210605880), (3, 140403920), (4, 105302940), (5, 84242352), (6, 70201960), (8, 52651470), (10, 42121176), (12, 35100980), (15, 28080784), (16, 26325735), (19, 22169040), (20, 21060588), (24, 17550490), (30, 14040392), (38, 11084520), (40, 10530294), (48, 8775245), (57, 7389680), (60, 7020196), (71, 5932560), (76, 5542260), (80, 5265147), (95, 4433808), (114, 3694840), (120, 3510098), (142, 2966280), (152, 2771130), (190, 2216904), (213, 1977520), (228, 1847420), (240, 1755049), (284, 1483140), (285, 1477936), (304, 1385565), (355, 1186512), (380, 1108452), (426, 988760), (456, 923710), (568, 741570), (570, 738968), (710, 593256), (760, 554226), (852, 494380), (912, 461855), (1065, 395504), (1136, 370785), (1140, 369484), (1301, 323760), (1349, 312240), (1420, 296628), (1520, 277113), (1704, 247190), (2130, 197752), (2280, 184742), (2602, 161880), (2698, 156120), (2840, 148314), (3408, 123595), (3903, 107920), (4047, 104080), (4260, 98876), (4560, 92371), (5204, 80940), (5396, 78060), (5680, 74157), (6505, 64752), (6745, 62448), (7806, 53960), (8094, 52040), (8520, 49438), (10408, 40470), (10792, 39030), (13010, 32376), (13490, 31224), (15612, 26980), (16188, 26020), (17040, 24719), (19515, 21584), (20235, 20816)]