123548339920

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{641}}^1\times {\mathrm{77719}}^1$

素因数の和:78404

約数の個数: 80

約数和(自身を含む): 296982420480

約数和(自身を除く): 173434080560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 641, 1240, 1282, 2480, 2564, 3205, 5128, 6410, 10256, 12820, 19871, 25640, 39742, 51280, 77719, 79484, 99355, 155438, 158968, 198710, 310876, 317936, 388595, 397420, 621752, 777190, 794840, 1243504, 1554380, 1589680, 2409289, 3108760, 4818578, 6217520, 9637156, 12046445, 19274312, 24092890, 38548624, 48185780, 49817879, 96371560, 99635758, 192743120, 199271516, 249089395, 398543032, 498178790, 797086064, 996357580, 1544354249, 1992715160, 3088708498, 3985430320, 6177416996, 7721771245, 12354833992, 15443542490, 24709667984, 30887084980, 61774169960, 123548339920]

約数ペア:

[(1, 123548339920), (2, 61774169960), (4, 30887084980), (5, 24709667984), (8, 15443542490), (10, 12354833992), (16, 7721771245), (20, 6177416996), (31, 3985430320), (40, 3088708498), (62, 1992715160), (80, 1544354249), (124, 996357580), (155, 797086064), (248, 498178790), (310, 398543032), (496, 249089395), (620, 199271516), (641, 192743120), (1240, 99635758), (1282, 96371560), (2480, 49817879), (2564, 48185780), (3205, 38548624), (5128, 24092890), (6410, 19274312), (10256, 12046445), (12820, 9637156), (19871, 6217520), (25640, 4818578), (39742, 3108760), (51280, 2409289), (77719, 1589680), (79484, 1554380), (99355, 1243504), (155438, 794840), (158968, 777190), (198710, 621752), (310876, 397420), (317936, 388595)]