31348240

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{727}}^1$

素因数の和:765

約数の個数: 120

約数和(自身を含む): 92619072

約数和(自身を除く): 61270832

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 80, 88, 98, 110, 112, 140, 154, 176, 196, 220, 245, 280, 308, 385, 392, 440, 490, 539, 560, 616, 727, 770, 784, 880, 980, 1078, 1232, 1454, 1540, 1960, 2156, 2695, 2908, 3080, 3635, 3920, 4312, 5089, 5390, 5816, 6160, 7270, 7997, 8624, 10178, 10780, 11632, 14540, 15994, 20356, 21560, 25445, 29080, 31988, 35623, 39985, 40712, 43120, 50890, 55979, 58160, 63976, 71246, 79970, 81424, 101780, 111958, 127952, 142492, 159940, 178115, 203560, 223916, 279895, 284984, 319880, 356230, 391853, 407120, 447832, 559790, 569968, 639760, 712460, 783706, 895664, 1119580, 1424920, 1567412, 1959265, 2239160, 2849840, 3134824, 3918530, 4478320, 6269648, 7837060, 15674120, 31348240]

約数ペア:

[(1, 31348240), (2, 15674120), (4, 7837060), (5, 6269648), (7, 4478320), (8, 3918530), (10, 3134824), (11, 2849840), (14, 2239160), (16, 1959265), (20, 1567412), (22, 1424920), (28, 1119580), (35, 895664), (40, 783706), (44, 712460), (49, 639760), (55, 569968), (56, 559790), (70, 447832), (77, 407120), (80, 391853), (88, 356230), (98, 319880), (110, 284984), (112, 279895), (140, 223916), (154, 203560), (176, 178115), (196, 159940), (220, 142492), (245, 127952), (280, 111958), (308, 101780), (385, 81424), (392, 79970), (440, 71246), (490, 63976), (539, 58160), (560, 55979), (616, 50890), (727, 43120), (770, 40712), (784, 39985), (880, 35623), (980, 31988), (1078, 29080), (1232, 25445), (1454, 21560), (1540, 20356), (1960, 15994), (2156, 14540), (2695, 11632), (2908, 10780), (3080, 10178), (3635, 8624), (3920, 7997), (4312, 7270), (5089, 6160), (5390, 5816)]