78810075

素因数分解:

$3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1$

素因数の和:293

約数の個数: 72

約数和(自身を含む): 149761248

約数和(自身を除く): 70951173

約数列:

[1, 3, 5, 9, 15, 23, 25, 45, 69, 75, 97, 115, 157, 207, 225, 291, 345, 471, 485, 575, 785, 873, 1035, 1413, 1455, 1725, 2231, 2355, 2425, 3611, 3925, 4365, 5175, 6693, 7065, 7275, 10833, 11155, 11775, 15229, 18055, 20079, 21825, 32499, 33465, 35325, 45687, 54165, 55775, 76145, 90275, 100395, 137061, 162495, 167325, 228435, 270825, 350267, 380725, 501975, 685305, 812475, 1050801, 1142175, 1751335, 3152403, 3426525, 5254005, 8756675, 15762015, 26270025, 78810075]

約数ペア:

[(1, 78810075), (3, 26270025), (5, 15762015), (9, 8756675), (15, 5254005), (23, 3426525), (25, 3152403), (45, 1751335), (69, 1142175), (75, 1050801), (97, 812475), (115, 685305), (157, 501975), (207, 380725), (225, 350267), (291, 270825), (345, 228435), (471, 167325), (485, 162495), (575, 137061), (785, 100395), (873, 90275), (1035, 76145), (1413, 55775), (1455, 54165), (1725, 45687), (2231, 35325), (2355, 33465), (2425, 32499), (3611, 21825), (3925, 20079), (4365, 18055), (5175, 15229), (6693, 11775), (7065, 11155), (7275, 10833)]