28131780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{24677}}^1$

素因数の和:24708

約数の個数: 48

約数和(自身を含む): 82918080

約数和(自身を除く): 54786300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 24677, 49354, 74031, 98708, 123385, 148062, 246770, 296124, 370155, 468863, 493540, 740310, 937726, 1406589, 1480620, 1875452, 2344315, 2813178, 4688630, 5626356, 7032945, 9377260, 14065890, 28131780]

約数ペア:

[(1, 28131780), (2, 14065890), (3, 9377260), (4, 7032945), (5, 5626356), (6, 4688630), (10, 2813178), (12, 2344315), (15, 1875452), (19, 1480620), (20, 1406589), (30, 937726), (38, 740310), (57, 493540), (60, 468863), (76, 370155), (95, 296124), (114, 246770), (190, 148062), (228, 123385), (285, 98708), (380, 74031), (570, 49354), (1140, 24677)]