145216620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{42461}}^1$

素因数の和:42495

約数の個数: 72

約数和(自身を含む): 463685040

約数和(自身を除く): 318468420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 42461, 84922, 127383, 169844, 212305, 254766, 382149, 424610, 509532, 636915, 764298, 806759, 849220, 1273830, 1528596, 1613518, 1910745, 2420277, 2547660, 3227036, 3821490, 4033795, 4840554, 7260831, 7642980, 8067590, 9681108, 12101385, 14521662, 16135180, 24202770, 29043324, 36304155, 48405540, 72608310, 145216620]

約数ペア:

[(1, 145216620), (2, 72608310), (3, 48405540), (4, 36304155), (5, 29043324), (6, 24202770), (9, 16135180), (10, 14521662), (12, 12101385), (15, 9681108), (18, 8067590), (19, 7642980), (20, 7260831), (30, 4840554), (36, 4033795), (38, 3821490), (45, 3227036), (57, 2547660), (60, 2420277), (76, 1910745), (90, 1613518), (95, 1528596), (114, 1273830), (171, 849220), (180, 806759), (190, 764298), (228, 636915), (285, 509532), (342, 424610), (380, 382149), (570, 254766), (684, 212305), (855, 169844), (1140, 127383), (1710, 84922), (3420, 42461)]