72755920

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{877}}^1$

素因数の和:968

約数の個数: 80

約数和(自身を含む): 182251728

約数和(自身を除く): 109495808

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 61, 68, 80, 85, 122, 136, 170, 244, 272, 305, 340, 488, 610, 680, 877, 976, 1037, 1220, 1360, 1754, 2074, 2440, 3508, 4148, 4385, 4880, 5185, 7016, 8296, 8770, 10370, 14032, 14909, 16592, 17540, 20740, 29818, 35080, 41480, 53497, 59636, 70160, 74545, 82960, 106994, 119272, 149090, 213988, 238544, 267485, 298180, 427976, 534970, 596360, 855952, 909449, 1069940, 1192720, 1818898, 2139880, 3637796, 4279760, 4547245, 7275592, 9094490, 14551184, 18188980, 36377960, 72755920]

約数ペア:

[(1, 72755920), (2, 36377960), (4, 18188980), (5, 14551184), (8, 9094490), (10, 7275592), (16, 4547245), (17, 4279760), (20, 3637796), (34, 2139880), (40, 1818898), (61, 1192720), (68, 1069940), (80, 909449), (85, 855952), (122, 596360), (136, 534970), (170, 427976), (244, 298180), (272, 267485), (305, 238544), (340, 213988), (488, 149090), (610, 119272), (680, 106994), (877, 82960), (976, 74545), (1037, 70160), (1220, 59636), (1360, 53497), (1754, 41480), (2074, 35080), (2440, 29818), (3508, 20740), (4148, 17540), (4385, 16592), (4880, 14909), (5185, 14032), (7016, 10370), (8296, 8770)]