72071745

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:206

約数の個数: 64

約数和(自身を含む): 126074880

約数和(自身を除く): 54003135

約数列:

[1, 3, 5, 15, 31, 37, 59, 71, 93, 111, 155, 177, 185, 213, 295, 355, 465, 555, 885, 1065, 1147, 1829, 2183, 2201, 2627, 3441, 4189, 5487, 5735, 6549, 6603, 7881, 9145, 10915, 11005, 12567, 13135, 17205, 20945, 27435, 32745, 33015, 39405, 62835, 67673, 81437, 129859, 154993, 203019, 244311, 338365, 389577, 407185, 464979, 649295, 774965, 1015095, 1221555, 1947885, 2324895, 4804783, 14414349, 24023915, 72071745]

約数ペア:

[(1, 72071745), (3, 24023915), (5, 14414349), (15, 4804783), (31, 2324895), (37, 1947885), (59, 1221555), (71, 1015095), (93, 774965), (111, 649295), (155, 464979), (177, 407185), (185, 389577), (213, 338365), (295, 244311), (355, 203019), (465, 154993), (555, 129859), (885, 81437), (1065, 67673), (1147, 62835), (1829, 39405), (2183, 33015), (2201, 32745), (2627, 27435), (3441, 20945), (4189, 17205), (5487, 13135), (5735, 12567), (6549, 11005), (6603, 10915), (7881, 9145)]