30719295

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:141

約数の個数: 72

約数和(自身を含む): 58960512

約数和(自身を除く): 28241217

約数列:

[1, 3, 5, 9, 15, 19, 31, 45, 57, 61, 93, 95, 155, 171, 183, 279, 285, 305, 361, 465, 549, 589, 855, 915, 1083, 1159, 1395, 1767, 1805, 1891, 2745, 2945, 3249, 3477, 5301, 5415, 5673, 5795, 8835, 9455, 10431, 11191, 16245, 17019, 17385, 22021, 26505, 28365, 33573, 35929, 52155, 55955, 66063, 85095, 100719, 107787, 110105, 167865, 179645, 198189, 323361, 330315, 503595, 538935, 682651, 990945, 1616805, 2047953, 3413255, 6143859, 10239765, 30719295]

約数ペア:

[(1, 30719295), (3, 10239765), (5, 6143859), (9, 3413255), (15, 2047953), (19, 1616805), (31, 990945), (45, 682651), (57, 538935), (61, 503595), (93, 330315), (95, 323361), (155, 198189), (171, 179645), (183, 167865), (279, 110105), (285, 107787), (305, 100719), (361, 85095), (465, 66063), (549, 55955), (589, 52155), (855, 35929), (915, 33573), (1083, 28365), (1159, 26505), (1395, 22021), (1767, 17385), (1805, 17019), (1891, 16245), (2745, 11191), (2945, 10431), (3249, 9455), (3477, 8835), (5301, 5795), (5415, 5673)]