72800560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1831}}^1$

素因数の和:1922

約数の個数: 80

約数和(自身を含む): 196273152

約数和(自身を除く): 123472592

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 71, 80, 112, 140, 142, 280, 284, 355, 497, 560, 568, 710, 994, 1136, 1420, 1831, 1988, 2485, 2840, 3662, 3976, 4970, 5680, 7324, 7952, 9155, 9940, 12817, 14648, 18310, 19880, 25634, 29296, 36620, 39760, 51268, 64085, 73240, 102536, 128170, 130001, 146480, 205072, 256340, 260002, 512680, 520004, 650005, 910007, 1025360, 1040008, 1300010, 1820014, 2080016, 2600020, 3640028, 4550035, 5200040, 7280056, 9100070, 10400080, 14560112, 18200140, 36400280, 72800560]

約数ペア:

[(1, 72800560), (2, 36400280), (4, 18200140), (5, 14560112), (7, 10400080), (8, 9100070), (10, 7280056), (14, 5200040), (16, 4550035), (20, 3640028), (28, 2600020), (35, 2080016), (40, 1820014), (56, 1300010), (70, 1040008), (71, 1025360), (80, 910007), (112, 650005), (140, 520004), (142, 512680), (280, 260002), (284, 256340), (355, 205072), (497, 146480), (560, 130001), (568, 128170), (710, 102536), (994, 73240), (1136, 64085), (1420, 51268), (1831, 39760), (1988, 36620), (2485, 29296), (2840, 25634), (3662, 19880), (3976, 18310), (4970, 14648), (5680, 12817), (7324, 9940), (7952, 9155)]