991996320

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{295237}}^1$

素因数の和:295262

約数の個数: 96

約数和(自身を含む): 3571198848

約数和(自身を除く): 2579202528

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 480, 560, 672, 840, 1120, 1680, 3360, 295237, 590474, 885711, 1180948, 1476185, 1771422, 2066659, 2361896, 2952370, 3542844, 4133318, 4428555, 4723792, 5904740, 6199977, 7085688, 8266636, 8857110, 9447584, 10333295, 11809480, 12399954, 14171376, 16533272, 17714220, 20666590, 23618960, 24799908, 28342752, 30999885, 33066544, 35428440, 41333180, 47237920, 49599816, 61999770, 66133088, 70856880, 82666360, 99199632, 123999540, 141713760, 165332720, 198399264, 247999080, 330665440, 495998160, 991996320]

約数ペア:

[(1, 991996320), (2, 495998160), (3, 330665440), (4, 247999080), (5, 198399264), (6, 165332720), (7, 141713760), (8, 123999540), (10, 99199632), (12, 82666360), (14, 70856880), (15, 66133088), (16, 61999770), (20, 49599816), (21, 47237920), (24, 41333180), (28, 35428440), (30, 33066544), (32, 30999885), (35, 28342752), (40, 24799908), (42, 23618960), (48, 20666590), (56, 17714220), (60, 16533272), (70, 14171376), (80, 12399954), (84, 11809480), (96, 10333295), (105, 9447584), (112, 8857110), (120, 8266636), (140, 7085688), (160, 6199977), (168, 5904740), (210, 4723792), (224, 4428555), (240, 4133318), (280, 3542844), (336, 2952370), (420, 2361896), (480, 2066659), (560, 1771422), (672, 1476185), (840, 1180948), (1120, 885711), (1680, 590474), (3360, 295237)]