15697980980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{79}}^1\times {\mathrm{157}}^1\times {\mathrm{523}}^1$

素因数の和:790

約数の個数: 144

約数和(自身を含む): 36998088960

約数和(自身を除く): 21300107980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 79, 110, 121, 157, 158, 220, 242, 314, 316, 395, 484, 523, 605, 628, 785, 790, 869, 1046, 1210, 1570, 1580, 1727, 1738, 2092, 2420, 2615, 3140, 3454, 3476, 4345, 5230, 5753, 6908, 8635, 8690, 9559, 10460, 11506, 12403, 17270, 17380, 18997, 19118, 23012, 24806, 28765, 34540, 37994, 38236, 41317, 47795, 49612, 57530, 62015, 63283, 75988, 82111, 82634, 94985, 95590, 115060, 124030, 126566, 136433, 164222, 165268, 189970, 191180, 206585, 248060, 253132, 272866, 316415, 328444, 379940, 410555, 413170, 454487, 545732, 632830, 682165, 821110, 826340, 903221, 908974, 1265660, 1364330, 1500763, 1642220, 1806442, 1817948, 2272435, 2728660, 3001526, 3612884, 4516105, 4544870, 4999357, 6003052, 6486769, 7503815, 9032210, 9089740, 9935431, 9998714, 12973538, 15007630, 18064420, 19870862, 19997428, 24996785, 25947076, 30015260, 32433845, 39741724, 49677155, 49993570, 64867690, 71354459, 99354310, 99987140, 129735380, 142708918, 198708620, 285417836, 356772295, 713544590, 784899049, 1427089180, 1569798098, 3139596196, 3924495245, 7848990490, 15697980980]

約数ペア:

[(1, 15697980980), (2, 7848990490), (4, 3924495245), (5, 3139596196), (10, 1569798098), (11, 1427089180), (20, 784899049), (22, 713544590), (44, 356772295), (55, 285417836), (79, 198708620), (110, 142708918), (121, 129735380), (157, 99987140), (158, 99354310), (220, 71354459), (242, 64867690), (314, 49993570), (316, 49677155), (395, 39741724), (484, 32433845), (523, 30015260), (605, 25947076), (628, 24996785), (785, 19997428), (790, 19870862), (869, 18064420), (1046, 15007630), (1210, 12973538), (1570, 9998714), (1580, 9935431), (1727, 9089740), (1738, 9032210), (2092, 7503815), (2420, 6486769), (2615, 6003052), (3140, 4999357), (3454, 4544870), (3476, 4516105), (4345, 3612884), (5230, 3001526), (5753, 2728660), (6908, 2272435), (8635, 1817948), (8690, 1806442), (9559, 1642220), (10460, 1500763), (11506, 1364330), (12403, 1265660), (17270, 908974), (17380, 903221), (18997, 826340), (19118, 821110), (23012, 682165), (24806, 632830), (28765, 545732), (34540, 454487), (37994, 413170), (38236, 410555), (41317, 379940), (47795, 328444), (49612, 316415), (57530, 272866), (62015, 253132), (63283, 248060), (75988, 206585), (82111, 191180), (82634, 189970), (94985, 165268), (95590, 164222), (115060, 136433), (124030, 126566)]