128972910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:274

約数の個数: 128

約数和(自身を含む): 353548800

約数和(自身を除く): 224575890

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 43, 55, 61, 66, 86, 110, 122, 129, 149, 165, 183, 215, 258, 298, 305, 330, 366, 430, 447, 473, 610, 645, 671, 745, 894, 915, 946, 1290, 1342, 1419, 1490, 1639, 1830, 2013, 2235, 2365, 2623, 2838, 3278, 3355, 4026, 4470, 4730, 4917, 5246, 6407, 6710, 7095, 7869, 8195, 9089, 9834, 10065, 12814, 13115, 14190, 15738, 16390, 18178, 19221, 20130, 24585, 26230, 27267, 28853, 32035, 38442, 39345, 45445, 49170, 54534, 57706, 64070, 70477, 78690, 86559, 90890, 96105, 99979, 136335, 140954, 144265, 173118, 192210, 199958, 211431, 272670, 288530, 299937, 352385, 390827, 422862, 432795, 499895, 599874, 704770, 781654, 865590, 999790, 1057155, 1172481, 1499685, 1954135, 2114310, 2344962, 2999370, 3908270, 4299097, 5862405, 8598194, 11724810, 12897291, 21495485, 25794582, 42990970, 64486455, 128972910]

約数ペア:

[(1, 128972910), (2, 64486455), (3, 42990970), (5, 25794582), (6, 21495485), (10, 12897291), (11, 11724810), (15, 8598194), (22, 5862405), (30, 4299097), (33, 3908270), (43, 2999370), (55, 2344962), (61, 2114310), (66, 1954135), (86, 1499685), (110, 1172481), (122, 1057155), (129, 999790), (149, 865590), (165, 781654), (183, 704770), (215, 599874), (258, 499895), (298, 432795), (305, 422862), (330, 390827), (366, 352385), (430, 299937), (447, 288530), (473, 272670), (610, 211431), (645, 199958), (671, 192210), (745, 173118), (894, 144265), (915, 140954), (946, 136335), (1290, 99979), (1342, 96105), (1419, 90890), (1490, 86559), (1639, 78690), (1830, 70477), (2013, 64070), (2235, 57706), (2365, 54534), (2623, 49170), (2838, 45445), (3278, 39345), (3355, 38442), (4026, 32035), (4470, 28853), (4730, 27267), (4917, 26230), (5246, 24585), (6407, 20130), (6710, 19221), (7095, 18178), (7869, 16390), (8195, 15738), (9089, 14190), (9834, 13115), (10065, 12814)]