72747735

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1$

素因数の和:248

約数の個数: 64

約数和(自身を含む): 128701440

約数和(自身を除く): 55953705

約数列:

[1, 3, 5, 15, 23, 37, 41, 69, 111, 115, 123, 139, 185, 205, 345, 417, 555, 615, 695, 851, 943, 1517, 2085, 2553, 2829, 3197, 4255, 4551, 4715, 5143, 5699, 7585, 9591, 12765, 14145, 15429, 15985, 17097, 22755, 25715, 28495, 34891, 47955, 77145, 85485, 104673, 118289, 131077, 174455, 210863, 354867, 393231, 523365, 591445, 632589, 655385, 1054315, 1774335, 1966155, 3162945, 4849849, 14549547, 24249245, 72747735]

約数ペア:

[(1, 72747735), (3, 24249245), (5, 14549547), (15, 4849849), (23, 3162945), (37, 1966155), (41, 1774335), (69, 1054315), (111, 655385), (115, 632589), (123, 591445), (139, 523365), (185, 393231), (205, 354867), (345, 210863), (417, 174455), (555, 131077), (615, 118289), (695, 104673), (851, 85485), (943, 77145), (1517, 47955), (2085, 34891), (2553, 28495), (2829, 25715), (3197, 22755), (4255, 17097), (4551, 15985), (4715, 15429), (5143, 14145), (5699, 12765), (7585, 9591)]