2530890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{461}}^1$

素因数の和:535

約数の個数: 48

約数和(自身を含む): 6702696

約数和(自身を除く): 4171806

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 61, 90, 122, 183, 305, 366, 461, 549, 610, 915, 922, 1098, 1383, 1830, 2305, 2745, 2766, 4149, 4610, 5490, 6915, 8298, 13830, 20745, 28121, 41490, 56242, 84363, 140605, 168726, 253089, 281210, 421815, 506178, 843630, 1265445, 2530890]

約数ペア:

[(1, 2530890), (2, 1265445), (3, 843630), (5, 506178), (6, 421815), (9, 281210), (10, 253089), (15, 168726), (18, 140605), (30, 84363), (45, 56242), (61, 41490), (90, 28121), (122, 20745), (183, 13830), (305, 8298), (366, 6915), (461, 5490), (549, 4610), (610, 4149), (915, 2766), (922, 2745), (1098, 2305), (1383, 1830)]