78081960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{397}}^1$

素因数の和:571

約数の個数: 128

約数和(自身を含む): 257904000

約数和(自身を除く): 179822040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 149, 165, 220, 264, 298, 330, 397, 440, 447, 596, 660, 745, 794, 894, 1191, 1192, 1320, 1490, 1588, 1639, 1788, 1985, 2235, 2382, 2980, 3176, 3278, 3576, 3970, 4367, 4470, 4764, 4917, 5955, 5960, 6556, 7940, 8195, 8734, 8940, 9528, 9834, 11910, 13101, 13112, 15880, 16390, 17468, 17880, 19668, 21835, 23820, 24585, 26202, 32780, 34936, 39336, 43670, 47640, 49170, 52404, 59153, 65505, 65560, 87340, 98340, 104808, 118306, 131010, 174680, 177459, 196680, 236612, 262020, 295765, 354918, 473224, 524040, 591530, 650683, 709836, 887295, 1183060, 1301366, 1419672, 1774590, 1952049, 2366120, 2602732, 3253415, 3549180, 3904098, 5205464, 6506830, 7098360, 7808196, 9760245, 13013660, 15616392, 19520490, 26027320, 39040980, 78081960]

約数ペア:

[(1, 78081960), (2, 39040980), (3, 26027320), (4, 19520490), (5, 15616392), (6, 13013660), (8, 9760245), (10, 7808196), (11, 7098360), (12, 6506830), (15, 5205464), (20, 3904098), (22, 3549180), (24, 3253415), (30, 2602732), (33, 2366120), (40, 1952049), (44, 1774590), (55, 1419672), (60, 1301366), (66, 1183060), (88, 887295), (110, 709836), (120, 650683), (132, 591530), (149, 524040), (165, 473224), (220, 354918), (264, 295765), (298, 262020), (330, 236612), (397, 196680), (440, 177459), (447, 174680), (596, 131010), (660, 118306), (745, 104808), (794, 98340), (894, 87340), (1191, 65560), (1192, 65505), (1320, 59153), (1490, 52404), (1588, 49170), (1639, 47640), (1788, 43670), (1985, 39336), (2235, 34936), (2382, 32780), (2980, 26202), (3176, 24585), (3278, 23820), (3576, 21835), (3970, 19668), (4367, 17880), (4470, 17468), (4764, 16390), (4917, 15880), (5955, 13112), (5960, 13101), (6556, 11910), (7940, 9834), (8195, 9528), (8734, 8940)]