256793925

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:223

約数の個数: 96

約数和(自身を含む): 475683840

約数和(自身を除く): 218889915

約数列:

[1, 3, 5, 15, 17, 25, 31, 51, 73, 75, 85, 89, 93, 155, 219, 255, 267, 365, 425, 445, 465, 527, 775, 1095, 1241, 1275, 1335, 1513, 1581, 1825, 2225, 2263, 2325, 2635, 2759, 3723, 4539, 5475, 6205, 6497, 6675, 6789, 7565, 7905, 8277, 11315, 13175, 13795, 18615, 19491, 22695, 31025, 32485, 33945, 37825, 38471, 39525, 41385, 46903, 56575, 68975, 93075, 97455, 110449, 113475, 115413, 140709, 162425, 169725, 192355, 201407, 206925, 234515, 331347, 487275, 552245, 577065, 604221, 703545, 961775, 1007035, 1172575, 1656735, 2761225, 2885325, 3021105, 3423919, 3517725, 5035175, 8283675, 10271757, 15105525, 17119595, 51358785, 85597975, 256793925]

約数ペア:

[(1, 256793925), (3, 85597975), (5, 51358785), (15, 17119595), (17, 15105525), (25, 10271757), (31, 8283675), (51, 5035175), (73, 3517725), (75, 3423919), (85, 3021105), (89, 2885325), (93, 2761225), (155, 1656735), (219, 1172575), (255, 1007035), (267, 961775), (365, 703545), (425, 604221), (445, 577065), (465, 552245), (527, 487275), (775, 331347), (1095, 234515), (1241, 206925), (1275, 201407), (1335, 192355), (1513, 169725), (1581, 162425), (1825, 140709), (2225, 115413), (2263, 113475), (2325, 110449), (2635, 97455), (2759, 93075), (3723, 68975), (4539, 56575), (5475, 46903), (6205, 41385), (6497, 39525), (6675, 38471), (6789, 37825), (7565, 33945), (7905, 32485), (8277, 31025), (11315, 22695), (13175, 19491), (13795, 18615)]