61280440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{617}}^1$

素因数の和:832

約数の個数: 64

約数和(自身を含む): 149506560

約数和(自身を除く): 88226120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 191, 260, 382, 520, 617, 764, 955, 1234, 1528, 1910, 2468, 2483, 3085, 3820, 4936, 4966, 6170, 7640, 8021, 9932, 12340, 12415, 16042, 19864, 24680, 24830, 32084, 40105, 49660, 64168, 80210, 99320, 117847, 160420, 235694, 320840, 471388, 589235, 942776, 1178470, 1532011, 2356940, 3064022, 4713880, 6128044, 7660055, 12256088, 15320110, 30640220, 61280440]

約数ペア:

[(1, 61280440), (2, 30640220), (4, 15320110), (5, 12256088), (8, 7660055), (10, 6128044), (13, 4713880), (20, 3064022), (26, 2356940), (40, 1532011), (52, 1178470), (65, 942776), (104, 589235), (130, 471388), (191, 320840), (260, 235694), (382, 160420), (520, 117847), (617, 99320), (764, 80210), (955, 64168), (1234, 49660), (1528, 40105), (1910, 32084), (2468, 24830), (2483, 24680), (3085, 19864), (3820, 16042), (4936, 12415), (4966, 12340), (6170, 9932), (7640, 8021)]