30991275120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{187417}}^1$

素因数の和:187499

約数の個数: 160

約数和(自身を含む): 105415877952

約数和(自身を除く): 74424602832

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 53, 60, 65, 78, 80, 104, 106, 120, 130, 156, 159, 195, 208, 212, 240, 260, 265, 312, 318, 390, 424, 520, 530, 624, 636, 689, 780, 795, 848, 1040, 1060, 1272, 1378, 1560, 1590, 2067, 2120, 2544, 2756, 3120, 3180, 3445, 4134, 4240, 5512, 6360, 6890, 8268, 10335, 11024, 12720, 13780, 16536, 20670, 27560, 33072, 41340, 55120, 82680, 165360, 187417, 374834, 562251, 749668, 937085, 1124502, 1499336, 1874170, 2249004, 2436421, 2811255, 2998672, 3748340, 4498008, 4872842, 5622510, 7309263, 7496680, 8996016, 9745684, 9933101, 11245020, 12182105, 14618526, 14993360, 19491368, 19866202, 22490040, 24364210, 29237052, 29799303, 36546315, 38982736, 39732404, 44980080, 48728420, 49665505, 58474104, 59598606, 73092630, 79464808, 97456840, 99331010, 116948208, 119197212, 129130313, 146185260, 148996515, 158929616, 194913680, 198662020, 238394424, 258260626, 292370520, 297993030, 387390939, 397324040, 476788848, 516521252, 584741040, 595986060, 645651565, 774781878, 794648080, 1033042504, 1191972120, 1291303130, 1549563756, 1936954695, 2066085008, 2383944240, 2582606260, 3099127512, 3873909390, 5165212520, 6198255024, 7747818780, 10330425040, 15495637560, 30991275120]

約数ペア:

[(1, 30991275120), (2, 15495637560), (3, 10330425040), (4, 7747818780), (5, 6198255024), (6, 5165212520), (8, 3873909390), (10, 3099127512), (12, 2582606260), (13, 2383944240), (15, 2066085008), (16, 1936954695), (20, 1549563756), (24, 1291303130), (26, 1191972120), (30, 1033042504), (39, 794648080), (40, 774781878), (48, 645651565), (52, 595986060), (53, 584741040), (60, 516521252), (65, 476788848), (78, 397324040), (80, 387390939), (104, 297993030), (106, 292370520), (120, 258260626), (130, 238394424), (156, 198662020), (159, 194913680), (195, 158929616), (208, 148996515), (212, 146185260), (240, 129130313), (260, 119197212), (265, 116948208), (312, 99331010), (318, 97456840), (390, 79464808), (424, 73092630), (520, 59598606), (530, 58474104), (624, 49665505), (636, 48728420), (689, 44980080), (780, 39732404), (795, 38982736), (848, 36546315), (1040, 29799303), (1060, 29237052), (1272, 24364210), (1378, 22490040), (1560, 19866202), (1590, 19491368), (2067, 14993360), (2120, 14618526), (2544, 12182105), (2756, 11245020), (3120, 9933101), (3180, 9745684), (3445, 8996016), (4134, 7496680), (4240, 7309263), (5512, 5622510), (6360, 4872842), (6890, 4498008), (8268, 3748340), (10335, 2998672), (11024, 2811255), (12720, 2436421), (13780, 2249004), (16536, 1874170), (20670, 1499336), (27560, 1124502), (33072, 937085), (41340, 749668), (55120, 562251), (82680, 374834), (165360, 187417)]