2790750

素因数分解:

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

素因数の和:142

約数の個数: 48

約数和(自身を含む): 7081776

約数和(自身を除く): 4291026

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 61, 75, 122, 125, 150, 183, 250, 305, 366, 375, 610, 750, 915, 1525, 1830, 3050, 3721, 4575, 7442, 7625, 9150, 11163, 15250, 18605, 22326, 22875, 37210, 45750, 55815, 93025, 111630, 186050, 279075, 465125, 558150, 930250, 1395375, 2790750]

約数ペア:

[(1, 2790750), (2, 1395375), (3, 930250), (5, 558150), (6, 465125), (10, 279075), (15, 186050), (25, 111630), (30, 93025), (50, 55815), (61, 45750), (75, 37210), (122, 22875), (125, 22326), (150, 18605), (183, 15250), (250, 11163), (305, 9150), (366, 7625), (375, 7442), (610, 4575), (750, 3721), (915, 3050), (1525, 1830)]