31006980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{10133}}^1$

素因数の和:10165

約数の個数: 72

約数和(自身を含む): 99596952

約数和(自身を除く): 68589972

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 10133, 20266, 30399, 40532, 50665, 60798, 91197, 101330, 121596, 151995, 172261, 182394, 202660, 303990, 344522, 364788, 455985, 516783, 607980, 689044, 861305, 911970, 1033566, 1550349, 1722610, 1823940, 2067132, 2583915, 3100698, 3445220, 5167830, 6201396, 7751745, 10335660, 15503490, 31006980]

約数ペア:

[(1, 31006980), (2, 15503490), (3, 10335660), (4, 7751745), (5, 6201396), (6, 5167830), (9, 3445220), (10, 3100698), (12, 2583915), (15, 2067132), (17, 1823940), (18, 1722610), (20, 1550349), (30, 1033566), (34, 911970), (36, 861305), (45, 689044), (51, 607980), (60, 516783), (68, 455985), (85, 364788), (90, 344522), (102, 303990), (153, 202660), (170, 182394), (180, 172261), (204, 151995), (255, 121596), (306, 101330), (340, 91197), (510, 60798), (612, 50665), (765, 40532), (1020, 30399), (1530, 20266), (3060, 10133)]