71547320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{617}}^1$

素因数の和:864

約数の個数: 64

約数和(自身を含む): 174424320

約数和(自身を除く): 102877000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 223, 260, 446, 520, 617, 892, 1115, 1234, 1784, 2230, 2468, 2899, 3085, 4460, 4936, 5798, 6170, 8021, 8920, 11596, 12340, 14495, 16042, 23192, 24680, 28990, 32084, 40105, 57980, 64168, 80210, 115960, 137591, 160420, 275182, 320840, 550364, 687955, 1100728, 1375910, 1788683, 2751820, 3577366, 5503640, 7154732, 8943415, 14309464, 17886830, 35773660, 71547320]

約数ペア:

[(1, 71547320), (2, 35773660), (4, 17886830), (5, 14309464), (8, 8943415), (10, 7154732), (13, 5503640), (20, 3577366), (26, 2751820), (40, 1788683), (52, 1375910), (65, 1100728), (104, 687955), (130, 550364), (223, 320840), (260, 275182), (446, 160420), (520, 137591), (617, 115960), (892, 80210), (1115, 64168), (1234, 57980), (1784, 40105), (2230, 32084), (2468, 28990), (2899, 24680), (3085, 23192), (4460, 16042), (4936, 14495), (5798, 12340), (6170, 11596), (8021, 8920)]