30819954

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{257}}^1$

素因数の和:375

約数の個数: 64

約数和(自身を含む): 71331840

約数和(自身を除く): 40511886

約数列:

[1, 2, 3, 6, 11, 22, 23, 33, 46, 66, 69, 79, 138, 158, 237, 253, 257, 474, 506, 514, 759, 771, 869, 1518, 1542, 1738, 1817, 2607, 2827, 3634, 5214, 5451, 5654, 5911, 8481, 10902, 11822, 16962, 17733, 19987, 20303, 35466, 39974, 40606, 59961, 60909, 65021, 119922, 121818, 130042, 195063, 223333, 390126, 446666, 466969, 669999, 933938, 1339998, 1400907, 2801814, 5136659, 10273318, 15409977, 30819954]

約数ペア:

[(1, 30819954), (2, 15409977), (3, 10273318), (6, 5136659), (11, 2801814), (22, 1400907), (23, 1339998), (33, 933938), (46, 669999), (66, 466969), (69, 446666), (79, 390126), (138, 223333), (158, 195063), (237, 130042), (253, 121818), (257, 119922), (474, 65021), (506, 60909), (514, 59961), (759, 40606), (771, 39974), (869, 35466), (1518, 20303), (1542, 19987), (1738, 17733), (1817, 16962), (2607, 11822), (2827, 10902), (3634, 8481), (5214, 5911), (5451, 5654)]