1720876920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{2048663}}^1$

素因数の和:2048684

約数の個数: 64

約数和(自身を含む): 5900152320

約数和(自身を除く): 4179275400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 2048663, 4097326, 6145989, 8194652, 10243315, 12291978, 14340641, 16389304, 20486630, 24583956, 28681282, 30729945, 40973260, 43021923, 49167912, 57362564, 61459890, 71703205, 81946520, 86043846, 114725128, 122919780, 143406410, 172087692, 215109615, 245839560, 286812820, 344175384, 430219230, 573625640, 860438460, 1720876920]

約数ペア:

[(1, 1720876920), (2, 860438460), (3, 573625640), (4, 430219230), (5, 344175384), (6, 286812820), (7, 245839560), (8, 215109615), (10, 172087692), (12, 143406410), (14, 122919780), (15, 114725128), (20, 86043846), (21, 81946520), (24, 71703205), (28, 61459890), (30, 57362564), (35, 49167912), (40, 43021923), (42, 40973260), (56, 30729945), (60, 28681282), (70, 24583956), (84, 20486630), (105, 16389304), (120, 14340641), (140, 12291978), (168, 10243315), (210, 8194652), (280, 6145989), (420, 4097326), (840, 2048663)]