2640690

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:124

約数の個数: 96

約数和(自身を含む): 7718256

約数和(自身を除く): 5077566

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 37, 39, 45, 61, 65, 74, 78, 90, 111, 117, 122, 130, 183, 185, 195, 222, 234, 305, 333, 366, 370, 390, 481, 549, 555, 585, 610, 666, 793, 915, 962, 1098, 1110, 1170, 1443, 1586, 1665, 1830, 2257, 2379, 2405, 2745, 2886, 3330, 3965, 4329, 4514, 4758, 4810, 5490, 6771, 7137, 7215, 7930, 8658, 11285, 11895, 13542, 14274, 14430, 20313, 21645, 22570, 23790, 29341, 33855, 35685, 40626, 43290, 58682, 67710, 71370, 88023, 101565, 146705, 176046, 203130, 264069, 293410, 440115, 528138, 880230, 1320345, 2640690]

約数ペア:

[(1, 2640690), (2, 1320345), (3, 880230), (5, 528138), (6, 440115), (9, 293410), (10, 264069), (13, 203130), (15, 176046), (18, 146705), (26, 101565), (30, 88023), (37, 71370), (39, 67710), (45, 58682), (61, 43290), (65, 40626), (74, 35685), (78, 33855), (90, 29341), (111, 23790), (117, 22570), (122, 21645), (130, 20313), (183, 14430), (185, 14274), (195, 13542), (222, 11895), (234, 11285), (305, 8658), (333, 7930), (366, 7215), (370, 7137), (390, 6771), (481, 5490), (549, 4810), (555, 4758), (585, 4514), (610, 4329), (666, 3965), (793, 3330), (915, 2886), (962, 2745), (1098, 2405), (1110, 2379), (1170, 2257), (1443, 1830), (1586, 1665)]