778977960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{2293}}^1$

素因数の和:2475

約数の個数: 128

約数和(自身を含む): 2477520000

約数和(自身を除く): 1698542040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 149, 152, 190, 228, 285, 298, 380, 447, 456, 570, 596, 745, 760, 894, 1140, 1192, 1490, 1788, 2235, 2280, 2293, 2831, 2980, 3576, 4470, 4586, 5662, 5960, 6879, 8493, 8940, 9172, 11324, 11465, 13758, 14155, 16986, 17880, 18344, 22648, 22930, 27516, 28310, 33972, 34395, 42465, 43567, 45860, 55032, 56620, 67944, 68790, 84930, 87134, 91720, 113240, 130701, 137580, 169860, 174268, 217835, 261402, 275160, 339720, 341657, 348536, 435670, 522804, 653505, 683314, 871340, 1024971, 1045608, 1307010, 1366628, 1708285, 1742680, 2049942, 2614020, 2733256, 3416570, 4099884, 5124855, 5228040, 6491483, 6833140, 8199768, 10249710, 12982966, 13666280, 19474449, 20499420, 25965932, 32457415, 38948898, 40998840, 51931864, 64914830, 77897796, 97372245, 129829660, 155795592, 194744490, 259659320, 389488980, 778977960]

約数ペア:

[(1, 778977960), (2, 389488980), (3, 259659320), (4, 194744490), (5, 155795592), (6, 129829660), (8, 97372245), (10, 77897796), (12, 64914830), (15, 51931864), (19, 40998840), (20, 38948898), (24, 32457415), (30, 25965932), (38, 20499420), (40, 19474449), (57, 13666280), (60, 12982966), (76, 10249710), (95, 8199768), (114, 6833140), (120, 6491483), (149, 5228040), (152, 5124855), (190, 4099884), (228, 3416570), (285, 2733256), (298, 2614020), (380, 2049942), (447, 1742680), (456, 1708285), (570, 1366628), (596, 1307010), (745, 1045608), (760, 1024971), (894, 871340), (1140, 683314), (1192, 653505), (1490, 522804), (1788, 435670), (2235, 348536), (2280, 341657), (2293, 339720), (2831, 275160), (2980, 261402), (3576, 217835), (4470, 174268), (4586, 169860), (5662, 137580), (5960, 130701), (6879, 113240), (8493, 91720), (8940, 87134), (9172, 84930), (11324, 68790), (11465, 67944), (13758, 56620), (14155, 55032), (16986, 45860), (17880, 43567), (18344, 42465), (22648, 34395), (22930, 33972), (27516, 28310)]