28261920

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{607}}^1$

素因数の和:722

約数の個数: 96

約数和(自身を含む): 90091008

約数和(自身を除く): 61829088

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 97, 120, 160, 194, 240, 291, 388, 480, 485, 582, 607, 776, 970, 1164, 1214, 1455, 1552, 1821, 1940, 2328, 2428, 2910, 3035, 3104, 3642, 3880, 4656, 4856, 5820, 6070, 7284, 7760, 9105, 9312, 9712, 11640, 12140, 14568, 15520, 18210, 19424, 23280, 24280, 29136, 36420, 46560, 48560, 58272, 58879, 72840, 97120, 117758, 145680, 176637, 235516, 291360, 294395, 353274, 471032, 588790, 706548, 883185, 942064, 1177580, 1413096, 1766370, 1884128, 2355160, 2826192, 3532740, 4710320, 5652384, 7065480, 9420640, 14130960, 28261920]

約数ペア:

[(1, 28261920), (2, 14130960), (3, 9420640), (4, 7065480), (5, 5652384), (6, 4710320), (8, 3532740), (10, 2826192), (12, 2355160), (15, 1884128), (16, 1766370), (20, 1413096), (24, 1177580), (30, 942064), (32, 883185), (40, 706548), (48, 588790), (60, 471032), (80, 353274), (96, 294395), (97, 291360), (120, 235516), (160, 176637), (194, 145680), (240, 117758), (291, 97120), (388, 72840), (480, 58879), (485, 58272), (582, 48560), (607, 46560), (776, 36420), (970, 29136), (1164, 24280), (1214, 23280), (1455, 19424), (1552, 18210), (1821, 15520), (1940, 14568), (2328, 12140), (2428, 11640), (2910, 9712), (3035, 9312), (3104, 9105), (3642, 7760), (3880, 7284), (4656, 6070), (4856, 5820)]