311533620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{225749}}^1$

素因数の和:225784

約数の個数: 48

約数和(自身を含む): 910224000

約数和(自身を除く): 598690380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 225749, 451498, 677247, 902996, 1128745, 1354494, 2257490, 2708988, 3386235, 4514980, 5192227, 6772470, 10384454, 13544940, 15576681, 20768908, 25961135, 31153362, 51922270, 62306724, 77883405, 103844540, 155766810, 311533620]

約数ペア:

[(1, 311533620), (2, 155766810), (3, 103844540), (4, 77883405), (5, 62306724), (6, 51922270), (10, 31153362), (12, 25961135), (15, 20768908), (20, 15576681), (23, 13544940), (30, 10384454), (46, 6772470), (60, 5192227), (69, 4514980), (92, 3386235), (115, 2708988), (138, 2257490), (230, 1354494), (276, 1128745), (345, 902996), (460, 677247), (690, 451498), (1380, 225749)]