28655752720

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{235811}}^1$

素因数の和:235869

約数の個数: 120

約数和(自身を含む): 80002522368

約数和(自身を除く): 51346769648

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 49, 56, 62, 70, 80, 98, 112, 124, 140, 155, 196, 217, 245, 248, 280, 310, 392, 434, 490, 496, 560, 620, 784, 868, 980, 1085, 1240, 1519, 1736, 1960, 2170, 2480, 3038, 3472, 3920, 4340, 6076, 7595, 8680, 12152, 15190, 17360, 24304, 30380, 60760, 121520, 235811, 471622, 943244, 1179055, 1650677, 1886488, 2358110, 3301354, 3772976, 4716220, 6602708, 7310141, 8253385, 9432440, 11554739, 13205416, 14620282, 16506770, 18864880, 23109478, 26410832, 29240564, 33013540, 36550705, 46218956, 51170987, 57773695, 58481128, 66027080, 73101410, 92437912, 102341974, 115547390, 116962256, 132054160, 146202820, 184875824, 204683948, 231094780, 255854935, 292405640, 358196909, 409367896, 462189560, 511709870, 584811280, 716393818, 818735792, 924379120, 1023419740, 1432787636, 1790984545, 2046839480, 2865575272, 3581969090, 4093678960, 5731150544, 7163938180, 14327876360, 28655752720]

約数ペア:

[(1, 28655752720), (2, 14327876360), (4, 7163938180), (5, 5731150544), (7, 4093678960), (8, 3581969090), (10, 2865575272), (14, 2046839480), (16, 1790984545), (20, 1432787636), (28, 1023419740), (31, 924379120), (35, 818735792), (40, 716393818), (49, 584811280), (56, 511709870), (62, 462189560), (70, 409367896), (80, 358196909), (98, 292405640), (112, 255854935), (124, 231094780), (140, 204683948), (155, 184875824), (196, 146202820), (217, 132054160), (245, 116962256), (248, 115547390), (280, 102341974), (310, 92437912), (392, 73101410), (434, 66027080), (490, 58481128), (496, 57773695), (560, 51170987), (620, 46218956), (784, 36550705), (868, 33013540), (980, 29240564), (1085, 26410832), (1240, 23109478), (1519, 18864880), (1736, 16506770), (1960, 14620282), (2170, 13205416), (2480, 11554739), (3038, 9432440), (3472, 8253385), (3920, 7310141), (4340, 6602708), (6076, 4716220), (7595, 3772976), (8680, 3301354), (12152, 2358110), (15190, 1886488), (17360, 1650677), (24304, 1179055), (30380, 943244), (60760, 471622), (121520, 235811)]