74572720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{691}}^1$

素因数の和:794

約数の個数: 80

約数和(自身を含む): 185345280

約数和(自身を除く): 110772560

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 71, 76, 80, 95, 142, 152, 190, 284, 304, 355, 380, 568, 691, 710, 760, 1136, 1349, 1382, 1420, 1520, 2698, 2764, 2840, 3455, 5396, 5528, 5680, 6745, 6910, 10792, 11056, 13129, 13490, 13820, 21584, 26258, 26980, 27640, 49061, 52516, 53960, 55280, 65645, 98122, 105032, 107920, 131290, 196244, 210064, 245305, 262580, 392488, 490610, 525160, 784976, 932159, 981220, 1050320, 1864318, 1962440, 3728636, 3924880, 4660795, 7457272, 9321590, 14914544, 18643180, 37286360, 74572720]

約数ペア:

[(1, 74572720), (2, 37286360), (4, 18643180), (5, 14914544), (8, 9321590), (10, 7457272), (16, 4660795), (19, 3924880), (20, 3728636), (38, 1962440), (40, 1864318), (71, 1050320), (76, 981220), (80, 932159), (95, 784976), (142, 525160), (152, 490610), (190, 392488), (284, 262580), (304, 245305), (355, 210064), (380, 196244), (568, 131290), (691, 107920), (710, 105032), (760, 98122), (1136, 65645), (1349, 55280), (1382, 53960), (1420, 52516), (1520, 49061), (2698, 27640), (2764, 26980), (2840, 26258), (3455, 21584), (5396, 13820), (5528, 13490), (5680, 13129), (6745, 11056), (6910, 10792)]