8121720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1277}}^1$

素因数の和:1344

約数の個数: 64

約数和(自身を含む): 24844320

約数和(自身を除く): 16722600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 53, 60, 106, 120, 159, 212, 265, 318, 424, 530, 636, 795, 1060, 1272, 1277, 1590, 2120, 2554, 3180, 3831, 5108, 6360, 6385, 7662, 10216, 12770, 15324, 19155, 25540, 30648, 38310, 51080, 67681, 76620, 135362, 153240, 203043, 270724, 338405, 406086, 541448, 676810, 812172, 1015215, 1353620, 1624344, 2030430, 2707240, 4060860, 8121720]

約数ペア:

[(1, 8121720), (2, 4060860), (3, 2707240), (4, 2030430), (5, 1624344), (6, 1353620), (8, 1015215), (10, 812172), (12, 676810), (15, 541448), (20, 406086), (24, 338405), (30, 270724), (40, 203043), (53, 153240), (60, 135362), (106, 76620), (120, 67681), (159, 51080), (212, 38310), (265, 30648), (318, 25540), (424, 19155), (530, 15324), (636, 12770), (795, 10216), (1060, 7662), (1272, 6385), (1277, 6360), (1590, 5108), (2120, 3831), (2554, 3180)]