28611120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1229}}^1$

素因数の和:1342

約数の個数: 80

約数和(自身を含む): 89681760

約数和(自身を除く): 61070640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 97, 120, 194, 240, 291, 388, 485, 582, 776, 970, 1164, 1229, 1455, 1552, 1940, 2328, 2458, 2910, 3687, 3880, 4656, 4916, 5820, 6145, 7374, 7760, 9832, 11640, 12290, 14748, 18435, 19664, 23280, 24580, 29496, 36870, 49160, 58992, 73740, 98320, 119213, 147480, 238426, 294960, 357639, 476852, 596065, 715278, 953704, 1192130, 1430556, 1788195, 1907408, 2384260, 2861112, 3576390, 4768520, 5722224, 7152780, 9537040, 14305560, 28611120]

約数ペア:

[(1, 28611120), (2, 14305560), (3, 9537040), (4, 7152780), (5, 5722224), (6, 4768520), (8, 3576390), (10, 2861112), (12, 2384260), (15, 1907408), (16, 1788195), (20, 1430556), (24, 1192130), (30, 953704), (40, 715278), (48, 596065), (60, 476852), (80, 357639), (97, 294960), (120, 238426), (194, 147480), (240, 119213), (291, 98320), (388, 73740), (485, 58992), (582, 49160), (776, 36870), (970, 29496), (1164, 24580), (1229, 23280), (1455, 19664), (1552, 18435), (1940, 14748), (2328, 12290), (2458, 11640), (2910, 9832), (3687, 7760), (3880, 7374), (4656, 6145), (4916, 5820)]