78335880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{93257}}^1$

素因数の和:93278

約数の個数: 64

約数和(自身を含む): 268583040

約数和(自身を除く): 190247160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 93257, 186514, 279771, 373028, 466285, 559542, 652799, 746056, 932570, 1119084, 1305598, 1398855, 1865140, 1958397, 2238168, 2611196, 2797710, 3263995, 3730280, 3916794, 5222392, 5595420, 6527990, 7833588, 9791985, 11190840, 13055980, 15667176, 19583970, 26111960, 39167940, 78335880]

約数ペア:

[(1, 78335880), (2, 39167940), (3, 26111960), (4, 19583970), (5, 15667176), (6, 13055980), (7, 11190840), (8, 9791985), (10, 7833588), (12, 6527990), (14, 5595420), (15, 5222392), (20, 3916794), (21, 3730280), (24, 3263995), (28, 2797710), (30, 2611196), (35, 2238168), (40, 1958397), (42, 1865140), (56, 1398855), (60, 1305598), (70, 1119084), (84, 932570), (105, 746056), (120, 652799), (140, 559542), (168, 466285), (210, 373028), (280, 279771), (420, 186514), (840, 93257)]